I am not sure I should have dared to start; but I am sure that I should not have dared to stop.

Success in life is determined by your ability to go from failure to failure without loss of enthusiasm.

I felt as if I were walking with destiny, and that all my past life had been but a preparation for this hour and this trial.

A fanatic is one who can't change his mind and won't change the subject.

If you simply take up the attitude of defending a mistake, there will no hope of improvement.

Great and good are seldom the same man.