Born Quote by Louis Pasteur

Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of invention. ... [Do not] share…

— Louis Pasteur

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

— Hermann Hesse

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

— Assata Shakur

Before going back to college, i knew i didn't want to be an intellectual, spending my life in books and libraries without knowing what…

— Assata Shakur

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

Theory without practice is of little value, whereas practice is the proof of theory.Theory is the knowledge, practice the ability.

— Alois Podhajsky

The best theory is inspired by practice.

— Donald Knuth

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

— Yogi Berra

'theres a theory for everything & without theory there is no practice'

— Issac Newton

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

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