Adventure Quote by Thomas A. Edison

Whenever a theory appears to you as the only possible one, take this as a sign that you have neither understood the theory nor…

— Karl Popper

During all those years of experimentation and research, I never once made a discovery. All my work was deductive, and the results I achieved…

— Thomas A. Edison

I tried to develop some theories that took account of the uncertainty in the world and the complexity in the world.

— Herbert A. Simon

I am not limiting myself to theories, so I never question the rightness to my approach.

— Edward Weston

Theory is good; but it doesn't prevent things from existing.

— Jean-Martin Charcot

Never abandon a theory that explains something until you have a theory that explains more.

— John McCarthy

And, partly, I had found that theory-structure was a superpower in helping one get what one wanted. As I had early discovered in school…

— Charlie Munger

To understand theory is not enough. Much practice is necessary...

— Kimon Nicolaides

The best practice is inspired by theory.

— Donald Knuth

Theory, from whatever source, is not perfect until it is reduced to practice.

— Hosea Ballou

You can never tell what will happen to a theory before you can get around to using it.

— Josephine Lawrence

No theory is good unless it permits, not rest, but the greatest work. No theory is good except on condition that one use it…

— Andre Gide