The doctor of the future will no longer treat the human frame with drugs, but rather will cure and prevent disease with nutrition.

I never did anything worth doing by accident, nor did any of my inventions come indirectly through accident, except the phonograph. No, when I have, fully decided that a result is worth getting, I go about it, and make trial after trial, until it comes.

A teacher sent the following note home with a six-year-old boy 'He is too stupid to learn.' That boy was Thomas A. Edison.

To those searching for truth -- not the truth of dogma and darkness but the truth brought by reason, search, examination, and inquiry, discipline is required. For faith, as well intentioned as it may be, must be built on facts, not fiction -- faith in fiction is a damnable false hope.

The chief function of the body is to carry the brain around.

So far as the religion of the day is concerned, it is a damned fake ... Religion is all bunk.

There is time for everything.