Many of life's failures are people who did not realize how close they were to success when they gave up.

Opportunity is missed by most people because it comes dressed in overalls and looks like work.

Anything that won't sell, I don't want to invent. Its sale is proof of utility, and utility is success.

I find my greatest pleasure, and so my reward, in the work that precedes what the world calls success.

The first requisite of success is the ability to apply your physical and mental energies to one problem without growing weary.

Until man duplicates a blade of grass, nature can laugh at his so-called scientific knowledge.

There is no There is no expedient to which a man will not resort to avoid the real labor of thinking. to which a man will not resort to avoid the real labor of thinking.

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

Many of life’s failures are people who did not realize how close they were to success when they gave up.

We shall have no better conditions in the future if we are satisfied with all those which we have at present.