Improvement of one's economic position is helped more by cool persistence than by hot enthusiasm.

Laziness is the one common deficiency in mankind that blocks the establishment of a perfect world in which everyone leads a happy life.

The only thrill worthwhile is the one that comes from making something out of yourself.

The petty economies of the rich are just as amazing as the silly extravagances of the poor.

Work is the best method devised for killing time.

Avoid letting temper block progress-keep cool.

Here is the secret of inspiration: Tell yourself that thousands and tens of thousands of people, not very intelligent and certainly no more intelligent than the rest of us, have mastered problems as difficult as those that now baffle you.