A wrongdoer is often a man who has left something undone, not always one who has done something.

Most of what we say and do is not essential. If you can eliminate it, you'll have more time, and more tranquillity. Ask yourself at every moment, 'Is this necessary?'

When you arise in the morning, think of what a precious privilege it is to be alive - to breathe, to think, to enjoy, to love ... then make that day count!

Just as nature takes every obstacle, every impediment, and works around it--turns it to its purposes, incorporates it into itself, so, too, a rational being can turn each setback into raw material and use it to achieve its goal.

The most complete revenge is not to imitate the aggressor.

Nothing can come out of nothing, any more than a thing can go back to nothing.

In the morning, when you are sluggish about getting up, let this thought be present: 'I am rising to a man's work.'