1923  Good friends, good books, and a sleepy conscience: this is the ideal life.
2836  You will never be happy if you continue to search for what happiness consists of. You will never live if you are looking for the meaning of life.
3012  “The question isn't who is going to let me; it's who is going to stop me.”
2483  “Friendship is born at that moment when one person says to another: "What! You too? I thought I was the only one.”
658  There are only two mistakes one can make along the road to truth; not going all the way, and not starting