"Remember that you are mortal, and you have a limited time to live, and in devoting yourself to discussion of the nature of time and eternity you have seen things that have been, are now, and are to come."
Essential Epicurus (Eugene O'Connor): 28. The same knowledge that makes one confident that nothing dreadful is eternal or long-lasting also recognizes, in the face of these limited evils, the security afforded by friendship.