Needed Quote by Talcott Parsons

I'm not sure what theory is, unless it's the pursuit of fundamental questions.

— David Antin

Theory can leave questions unanswered, but practice has to come up with something.

— Mason Cooley

To understand the theory which underlies all things is not sufficient. Theory is but the preparation for practice.

— James Stephens

There can be theory but, you know, the problem is you've got to be able to test it. So theories are one thing, testing…

— Brian Schmidt

Without theory, there are no questions.

— W. Edwards Deming

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

— Kimon Nicolaides

Theory is needed to tell you where to look.

— Marcus du Sautoy

A theory is just a mathematical model to describe the observations.

— Karl Popper

“Science requires both observation and comprehension. Without observation there are no facts to be comprehended; without comprehension science is mere documentation. The basis for…

— Occam s razor

It is the theory which decides what we can observe

— Albert Einstein

If you don't question you're stuck within a pre-existing parameters of knowledge. Questions are what take you outside of those parameters.

— Neil deGrasse Tyson

Theory and fact are equally strong and utterly interdependent; one has no meaning without the other. We need theory to organize and interpret facts,…

— Stephen Jay Gould