Success is the result of hard work.

I am so deaf I am debarred from hearing all the time articulation and have to depend on the judgment of others.

The trouble with most people is that they quit before they start.

Show me a completely contented person and I'll show you a failure.

Nineteen hundred and three will bring great advances in surgery, in the study of bacteria, in the knowledge of the cause and prevention of disease. Medicine is played out. Every new discovery of bacteria shows us all the more convincingly that we have been wrong and that the million tons of stuff we have taken was all useless.

The world owes nothing to any man, but every man owes something to the world.

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.