Genius is one percent inspiration and ninety-nine percent perspiration.

I have not failed. I've just found 10,000 ways that won't work.

There is no substitute for hard work.

I never did anything by accident, nor did any of my inventions come by accident; they came by work.

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

Do your duty and a little more, and the future will take care of itself.

-- Andrew Carnegie

Early to bed and early to rise, makes a man healthy, wealthy, and wise.

-- Benjamin Franklin

Diligence is the mother of good luck.

-- Benjamin Franklin

Luck is a dividend of sweat. The more you sweat, the luckier you get.

-- Ray Kroc

A man who dares to waste one hour of time has not discovered the value of life.

-- Charles Darwin

The person who studies three, four, five times harder than anyone else -- that is a genius.

-- Hideyo Noguchi