Every great man has become great, every successful man has succeeded, in proportion as he has confined his powers to one particular channel.

There never will be a trust in excellence or a combination in superiority. As long as you can do a thing a little better than anybody else can do it, you need no bond or trade-mark to protect the product of your brains.

This is the test of your manhood: How much is there left in you after you have lost everything outside of yourself?

Don't wait for extraordinary opportunities. Seize common occasions and make them great. Weak men wait for opportunities; strong men make them.

The beginning of a habit is like an invisible thread, but every time we repeat the act we strengthen the strand, add to it another filament, until it becomes a great cable and binds us irrevocably thought and act.

Power gravitates to the man who knows how.

You must bring every particle of your energy, unanswerable resolution, your best efforts, your persistent industry to your task or the best will not come out of you. You must back up your ambition by your whole nature, by unbounded enthusiasm and a determination to win which knows no failure.