The best preparation for good work tomorrow is to do good work today.

The average woman sees only the weak points in a strong man, and the good points in a weak one.

Self-discipline is the ability to make yourself do what you should do, when you should do it, whether you feel like it or not.

Live truth instead of professing it.

Success consists in the climb.

Theology, by diverting the attention of men from this life to another, and by endeavoring to coerce all men into one religion, constantly preaching that this world is full of misery, but the next world would be beautiful - or not, as the case may be - has forced on men the thought of fear where otherwise there might have been the happy abandon of nature.

A man is not paid for having a head and hands, but for using them.