Able Quote by Mao Zedong

Our theories are the weakest part of what we say. What we're working from is the fact of an experience which we need to…

— Terence McKenna

Theory is knowledge that doesn't work. Practice is when everything works and you don't know why.

— Hermann Hesse

Modern psychology teaches that experience is not merely the best teacher, but the only possible teacher.. There is no war between theory and practice.…

— Charles Kettering

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

— Kimon Nicolaides

Experience without theory is blind, but theory without experience is mere intellectual play.

— Immanuel Kant

Experience arises together with theoretical assumptions not before them, and an experience without theory is just as incomprehensible as is (allegedly) a theory without…

— Paul Feyerabend

Almost all the other fellows do not look from the facts to the theory but from the theory to the facts; they cannot get…

— Albert Einstein

My experience has allowed me to have understanding in some areas that others may not have.

— Nelson Agholor

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

— Hosea Ballou

Theory must mediate between all previous truths and certain new experiences

— William James

The truth of a theory can never be proven, for one never knows if future experience will contradict its conclusions.

— Albert Einstein

A little experience often upsets a lot of theory.

— S. Parkes Cadman