As far as Quote by David Baker

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

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

— Anonymous

There is a distinction, but no opposition, between theory and practice. Each to a certain extent supposes the other. Theory is dependent on practice;…

— Sir William Hamilton, 9th Baronet

In theory, practice should work like theory. In practice, it doesn't.

— Yogi Berra

Theory is when you know something, but it doesn't work. Practice is when something works, but you don't know why. Programmers combine theory and…

— Anonymous

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

— Hosea Ballou

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

— Larry McVoy

Theory without practice is just as incomplete as practice without theory.

— Assata Shakur

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

— Linus Torvalds

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

— Max Tegmark