Only the highway of useful service leads to the city of happiness.

You must master the habit of procrastination and eliminate it from your wake-up. This habit of putting off until tomorrow that which you should have done last week or last year or a score of years ago is gnawing at the very vitals of your being and you can accomplish nothing until you throw it off.

All achievement, no matter what may be its nature, or its purpose, must begin with an intense, burning desire for something definite.

First you give life and action and guidance to ideas, then they take on power of their own and sweep aside all opposition.

The greatest failure in life is to stop trying.

We begin to see, therefore, the importance of selecting our environment with the greatest of care, because environment is the mental feeding ground out of which the food that goes into our minds is extracted.

The world does not pay men for that which they “know”. It pays them for what they do, or induce others to do.