Mix a little foolishness with your prudence; it's good to be silly at the right moment.

The willingness to accept responsibility for one's own life is the source from which self-respect springs.

It is only with the heart that one can see rightly; what is essential is invisible to the eye.

The only tired I was, was tired of giving in.

The truth is the light and light is the truth.

If you need something from somebody, always give that person a way to hand it to you.

Success is the process itself.

Enthusiasm is the great hill-climber.

'Tis never too late to be wise.

Failure is a greater teacher than success. Listen, learn, go on.

Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric.

You mustn't confuse a single failure with a final defeat.