Education comes from within; you get it by struggle and effort and thought.

Big pay and little responsibility are circumstances seldom found together.

Effort only fully releases its reward after a person refuses to quit.

Action is the real measure of intelligence.

We do not require elaborate training merely in order to refrain from embarking upon intricate trains of inference. Such abstinence is only too easy.

There is no royal road to learning; no short cut to the acquirement of any art.

A thinker sees his own actions as experiments and questions - as attempts to find out something. Success and failure are for him answers above all.