What lies behind you and what lies in front of you, pales in comparison to what lies inside of you.

Every violation of truth is not only a sort of suicide in the liar, but is a stab at the health of human society.

Why should we be cowed by the name of Action?...The rich mind lies in the sun and sleeps, and is Nature. To think is to act.

The task ahead of us is never as great as the power behind us.

The secret of education lies in respecting the pupil.

The whole secret of the teacher's force lies in the conviction that man are convertible.