There cannot be overproduction of anything which men and women want. And their wants are unlimited, except by the size of their stomachs.

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

I didn't fail 1000 times. The light bulb was an invention with 1000 steps.

If there is a better solution... find it.

When you become quiet, it just dawns on you

Many a person who could not comprehend Rousseau, and would be puzzled by Montesquieu, could understand Paine as an open book. He wrote with a clarity, a sharpness of outline and exactness of speech that even a schoolboy should be able to grasp.

There is no subsitute for hard work.