As long as a human being worries about when he will die, and what he has that is his, all of his works are zero. When affection for the I-creature and what it owns is dead, then the work of the Teacher is over.
Do what you do with another human being, but never put them out of your heart.
Men have always looked before and after, and rebelled against the existing order. But for their divine discontent, men would not have been men, and there would have been no progress in human affairs.