A man is as big as the measure of his thinking.

If you can keep on trying after three failures in a given undertaking you may consider yourself a 'suspect' as a potential leader in your chosen occupation. If you can keep on trying after a dozen failures the seed of a genius is germinating within your soul.

The habit of taking the line of least resistance makes all rivers and some men crooked.

We are all salesman regardless of our calling. But not all of us are Master Salesmen.

If you are sure you are right, you need not worry what the world thinks.

Until you have learned to be tolerant with those who do not always agree with you, you will be neither successful nor happy.

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