If I am not for myself, then who is for me? If not now, when? -Hillel the Elder
What can I know? What ought I to do? What can I hope? - Kant
I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.
I don't want people who want to dance; I want people who have to dance. George Balanchine