He is a wise man who does not grieve for the things which he has not, but rejoices for those which he has.

The moon is friend for the lonesome to talk to.

The best thinking has been done in solitude.

Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.

Knowledge of anything... is not complete unless it is known by its causes.

I don't care to belong to any club that will have me as a member.

Everything ends. but my heart still whispers, does it have to?