I have not failed 10,000 times. I have succeeded in proving that those 10,000 ways will not work.

Good fortune is what happens when opportunity meets with planning.

A teacher sent the following note home with a six-year-old boy 'He is too stupid to learn.' That boy was Thomas A. Edison.

I do not believe in the God of the theologians; but that there is a Supreme Intelligence I do not doubt.

A diamond is a piece of coal that stuck to the job

What is a college? An institute of learning. What is a business? An institute of learning. Life, itself, is an institute of learning.

It is the best book ever written on the subject. There is nothing like it!