The best preparation for good work tomorrow is to do good work today.
Man is not what he thinks he is, but what he thinks, he is.
The brain is a commodity used to fertilize ideas.
The only man who makes money following the races is one who does it with a broom and shovel.
Life is a paradox. Every truth has its counterpart which contradicts it; and every philosopher supplies the logic his own undoing.
To know the great men dead is compensation for having to live with the mediocre.