“The best thinking has been done in solitude. The worst has been done in turmoil.”

Success is the result of hard work.

So far as the religion of the day is concerned, it is a damned fake. Religion is all bunk.

Success depends on how many experiments you can fit into 24 hours.

Friendship is the heaven of life.

This problem, once solved, will be simple.

The First 40 hours of work per week are for survival. Everything after that is for success.

All bibles are man-made.

Everything comes to those who hustle while they wait.

If we did all the things we are capable of doing, we would literally astound ourselves.

The chief function of the body is to carry the brain around.

Be courageous! Have faith! Go forward.

I never quit until I get what I want.

Genius is not inspired. Inspiration is perspiration.

The value of an idea lies in the using of it.

I find out what the world needs. Then I go ahead and try to invent it.

There seems to be no limit to which some men will go to avoid the labor of thinking. Thinking is hard work.