If you find something you really love, you will never work again.
True genius resides in the capacity for evaluation of uncertain, hazardous, and conflicting information.
Courage is the ability to go from failure to failure with enthusiasm.
It is no use doing what you like; you have got to like what you do.
I felt as if I were walking with destiny, and that all my past life had been but a preparation for this hour and for this trial... I thought I knew a good deal about it all, I was sure I should not fail.
Never engage in a battle of wits with an unarmed man.