Wisdom is learning what to overlook.

People don't notice whether it's winter or summer when they're happy.

It is the nature of the wise to resist pleasures, but the foolish to be a slave to them.

The road of excess leads to the palace of wisdom.

It requires wisdom to understand wisdom: the music is nothing if the audience is deaf.

The best way to predict the future is to invent it.

I didn't get where I am today by worryin' about how I'd feel tomorrow.

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.

Man is only great when he acts from passion.

No man was ever wise by chance.