Is it permissible to speak with girls in a mixed-gender university setting about general topics that do not exceed the bounds of etiquette and Islam, and to have lunch with a female colleague without ill intention, based on the principle that necessity dictates the extent of permissible speech?

Young men and women are advised to avoid exchanging general or private conversations and eating together, as this may lead to forbidden relationships. However, there is no objection to speaking when necessary, provided that there is no fear of temptation (fitnah), no private seclusion (khalwah), and adherence to Islamic etiquette.