How sound are the Hadith mentioned in the Qur’an, worship, piety, judiciary, oaths, injustice, ethics, speech, affliction, Sunan, and manners?

The answer includes the grading of a number of Prophetic Hadiths, with a clarification of their degree of authenticity and weakness, and their sources, including:

1. Leaving the Qur'an and Sunnah: "I have left among you two things, and you will never go astray as long as you hold fast to them: the Book of Allah and the Sunnah of His Prophet." (Mursal) 2. Journeying with the Qur'an to enemy land: "Do not travel with the Qur'an to enemy land, lest the enemy should get hold of it." (Agreed upon) 3. Taking payment for teaching the Qur'an: "If you take it, you take a bow of fire, so return it." (Authentic) 4. The virtue of reciting the Qur'an: "Whoever recites fifty verses at night will not be recorded among the heedless." (Its chain of narration is authentic) 5. Doing what one can bear: "Undertake deeds that you can bear, for Allah does not get tired until you get tired." (Agreed upon) 6. The most beloved deed to Allah: "The most regular, even if it is little." (Agreed upon) 7. Devotion to worship: "O son of Adam, devote yourself to My worship, I will fill your heart with richness and remove your poverty..." (Authentic) 8. Leaving something for Allah: "Indeed, you will never leave anything for the sake of Allah, the Blessed and Exalted, except that Allah will give you something better than it." (Its chain of narration is authentic) 9. Keys to Paradise and Hellfire: He was asked about what most causes people to enter Paradise, and he said: "The fear of Allah and good manners." And he was asked about what most causes people to enter Hellfire, and he said: "The mouth and the private parts." (Authentic) 10. Dealing with people: "Fear Allah wherever you are, and follow a bad deed with a good deed that will erase it, and deal with people with good manners." (Hasan) 11. Female leadership: "A woman does not become a ruler who judges among the common people." (Weak), and "A people will never succeed who appoint a woman to lead them." (Authentic) 12. The virtue of prescribed punishments (Hudud): "A single prescribed punishment (hadd) carried out on earth is better for the people of the earth than being rained upon for forty mornings." (Hasan) 13. False testimony: "False testimony is equated with associating partners with Allah." (Weak) 14. Amputation for theft: "The Messenger of Allah (peace be upon him) used to amputate the hand of a thief for a quarter of a dinar or more." (Agreed upon) 15. Flogging in prescribed punishments: "No one should be flogged more than ten lashes except in a prescribed punishment (hadd) from the Hudud of Allah." (Agreed upon) 16. Muslim and disbeliever in retaliation: "A Muslim is not killed for a disbeliever." (Agreed upon) 17. Swearing in sales: "Swearing (oaths) promotes the sale but destroys the blessing." (Agreed upon) 18. Usurping a Muslim's right: "Whoever usurps the right of a Muslim by his oath, Allah has made the Fire obligatory for him and forbidden Paradise for him." (Authentic) 19. Expiation for an oath: "Whoever swears an oath and then sees something else as better than it, let him expiate for his oath and do it." (Authentic) 20. The supplication of the oppressed: "The supplication of the oppressed is answered, even if he is a wicked person, for his wickedness is against himself." (Weak) 21. The worst of people: "Indeed, the worst of people in status with Allah is he whom people abandon or leave for fear of his indecency." (Agreed upon) 22. Injustice on earth: "Whoever takes a span of land unjustly will have it encircled around his neck from seven earths." (Agreed upon) 23. The best in character: "Indeed, the most beloved of you to me and the closest of you to me in station on the Day of Resurrection are those with the best manners." (Authentic) 24. The best to one's family: "The best of you is the best to his family, and I am the best of you to my family." (Authentic) 25. Righteousness and good character: "Righteousness is good character." (Authentic) 26. Who is forbidden from Hellfire: "Shall I not inform you of those who are forbidden from the Fire, or for whom the Fire is forbidden? For every person who is kind, easy-going, and gentle." (Authentic) 27. From the excellence of one's Islam: "From the excellence of a person's Islam is his leaving that which does not concern him." (Authentic) 28. Humility: "Whoever humbles himself to his Muslim brother, Allah will raise him; and whoever exalts himself above him, Allah will debase him." (Weak) 29. Last words La ilaha illa Allah: "Whoever's last words in this world are 'La ilaha illa Allah' (There is no god but Allah) will enter Paradise." (Authentic) 30. Anger: "And if any of you gets angry, he should remain silent." (Authentic) 31. What Allah has forbidden and disliked: "Indeed, Allah has forbidden for you disobedience to mothers, refusing to give (what is due) and demanding (what is not due), and burying daughters alive. He disliked for you idle talk, excessive questioning, and wasting money." (Agreed upon) 32. Praise: "Beware of praise, for it is slaughter." (Authentic in meaning) 33. Cursing a believer: "Cursing a believer is like killing him." (Agreed upon) 34. Trial of a believer: "When Allah intends good for someone, He afflicts him." (Authentic) 35. Reward of those afflicted: "The martyr will be brought on the Day of Resurrection... then the people of affliction will be brought, and no balance will be set up for them, nor will any ledger be unfolded for them..." (Weak) 36. Adherence to Sunnah during corruption: "The one who adheres to my Sunnah during the corruption of my Ummah will have the reward of a martyr." (Weak) 37. Best clothes are white: "The best of your clothes are white, so wear them and shroud your dead in them." (Authentic) 38. Seeking help through secrecy: "Seek help for the success of your needs by keeping them secret, for every possessor of a blessing is envied." (Authentic) 39. Initiating the greeting: "Indeed, the person closest to Allah is the one who initiates the greeting to them." (Authentic) 40. Lying on one's back: "None of you should lie on his back and then place one leg over the other." (Authentic) 41. Nudity: "Beware of nudity, for with you are those who do not leave you except at the time of relieving yourselves, and when a man goes to his wife; so be shy of them and honor them." (Weak) 42. The awrah of a child: "Indeed, the sacredness of the awrah of a child is like the sacredness of the awrah of an adult, and Allah does not look at one who uncovers their awrah." (Fabricated) 43. Urination in holes: "None of you should urinate into a hole." (Weak) 44. What you dislike people seeing: "Whatever you dislike people seeing from you, do not do it when you are alone." (Hasan) 45. Allah is beautiful and loves beauty: "Indeed, Allah is beautiful and loves beauty." (Authentic) 46. A man preparing himself for his brothers: "When a man goes out to his brothers, he should prepare himself (his appearance)." (Weak)