A man must consider what a rich realm he abdicates when he becomes a conformist.

When it is dark enough, men see the stars.

The man who knows how will always have a job. The man who also knows why will always be his boss.

As to methods there may be a million and then some, but principles are few. The man who grasps principles can successfully select his own methods. The man who tries methods, ignoring principles, is sure to have trouble.

For every minute you remain angry, you give up sixty seconds of peace of mind.

They conquer who believe they can.

To believe your own thought, to believe that what is true for you in your private heart is true for all men - that is genius.

There is this benefit in brag, that the speaker is unconsciously expressing his own ideal. Humor him by all means; draw it all out, and hold him to it.

A man is known by the books he reads.

If we encounter a man of rare intellect, we should ask him what books he reads.