Delusion Quote by William John Macquorn Rankine

The words 'theory' and 'practice' are of Greek origin; they carry our thoughts back to the ancient philosophers by whom they were contrived, and…

— William John Macquorn Rankine

Theory and practice sometimes clash. And when that happens, theory loses. Every single time.

— Linus Torvalds

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

— Hermann Hesse

In theory, theory and practice are the same. In practice, they are not.

— Albert Einstein

Those who say theory and practice are two unrelated realms are fools in one and scoundrels in the other.

— Ayn Rand

I believe without exception that theory follows practice. Whenever there is a conflict between theory and practice, theory is wrong. As far as I'm…

— David Baker

“Women believe that men are, in a sense, defective versions of women, Men believe that women are defective versions of men. Both genders are…

— Scott Adams

“In theory, theory and practice are the same. In practice, they are not. —Albert Einstein”

— Max Tegmark

In theory, practice and theory are the same, but in practice they are different.

— Larry McVoy

Men who have excessive faith in their theories or ideas are not only ill prepared for making discoveries; they also make very poor observations.…

— Claude Bernard

“Where misunderstanding dwells, misuse will not be far behind. No theory in the history of science has been more misused and abused by cranks…

— Sean Carroll

In theory, there is no difference between theory and practice. But, in practice, there is.

— Anonymous