Affection is responsible for nine-tenths of whatever solid and durable happiness there is in our lives.
You are never too old to set another goal or to dream a new dream.
Friendship is unnecessary, like philosophy, like art… It has no survival value; rather it is one of those things that give value to survival.
Aim at heaven and you will get earth thrown in. Aim at earth and you get neither.
It may be hard for an egg to turn into a bird: it would be a jolly sight harder for it to learn to fly while remaining an egg. We are like eggs at present. And you cannot go on indefinitely being just an ordinary, decent egg. We must be hatched or go bad.