I can, therefore I am.

Do not weep do not wax indignant. Understand.

Well done is better than well said.

The secret of getting ahead is getting started.

Quality is not an act, it is a habit.

Be thine own palace, or the world's thy jail.

If you're going through hell, keep going.

The most effective way to do it, is to do it.

To know oneself, one should assert oneself.