An idea is something that won't work unless you do.

Sleep is like a drug. Take too much at a time and it makes you dopey. You lose time and opportunities.

The dove is my emblem.

It is astonishing what an effort it seems to be for many people to put their brains definitely and systematically to work.

Five percent of the people think; ten percent of the people think they think; and the other eighty-five percent would rather die than think.

The doctor of the future will give no medicine, but will involve the patient in the proper use of food, fresh air and exercise

Success is the result of hard work.