I can, therefore I am.

The wise does at once what the fool does at last.

To know oneself, one should assert oneself.

Quality is not an act, it is a habit.

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

Know or listen to those who know.

Begin to be now what you will be hereafter.

The secret of getting ahead is getting started.

Well done is better than well said.