Valor is stability, not of legs and arms, but of courage and the soul.

The body enjoys a great share in our being, and has an eminent place in it. Its structure and composition, therefore, are worthy of proper consideration.

The perpetual work of your life is but to lay the foundation of death.

If you want it to be so, history can be a waste of time; it can also be, if you want it to be so, a study bearing fruit beyond price.

We should rather examine, who is better learned, than who is more learned.

We can be knowledgeable with other men's knowledge, but we cannot be wise with other men's wisdom.

If I speak of myself in different ways, that is because I look at myself in different ways.