Poor is the nation that has no heroes, but poorer still is the nation that having heroes, fails to remember and honor them.

There is no one who can give you wiser advice than you can give yourself: you will never make a slip, if you listen to your own heart.

The authority of those who teach is often an obstacle to those who want to learn.

Slowly and imperceptibly old age comes creeping on.

A life of peace, purity and refinement leads to a calm and untroubled old age.

Nature has planted in our minds an insatiable longing to see the truth.

Let us not go over the old ground but rather prepare for what is to come.