Youth is a wonderful thing. What a crime to waste it on children.

The most distinguished persons become more revolutionary as they grow older.

Even the youngest of us may be wrong sometimes

Must then Christ perish in torment in every age to save those that have no imagination?

A man who is not a communist at the age of twenty is a fool. Any man who is still communist at the age of thirty is an even bigger one.

We don't stop playing because we grow old; we grow old because we stop playing.