Assumption Quote by Warren Buffett

Beta and modern portfolio theory and the like - none of it makes any sense to me.

— Charlie Munger

It is curious how often erroneous theories have had a beneficial effect for particular branches of science.

— Ernst Mayr

No one trusts a model except the man who wrote it; everyone trusts an observation, except the man who made it.

— Harlow Shapley

Theorists have wonderful ideas which take years and years to be verified.

— David Gross

“One of the best ways to probe whether you can trust the advice that a theory is offering you is to look for anomalies—something…

— Clayton M. Christensen

Theories can be based on any assumptions, however bizarre.

— Milton Friedman

Skepticism is history's bedfellow.

— Edgar Saltus

If the theory accurately predicts what they [scientists] see, it confirms that it's a good theory. If they see something that the theory didn't…

— Clayton Christensen

Theories of history used to be supernatural: the divine ruled time; the hand of God, a special providence, lay behind the fall of each…

— Jill Lepore

Models work when they are appropriate for the particular circumstance, but some of the best investment judgments over time have come when people recognized…

— Abby Joseph Cohen

“Theory shows a way to a goal, but it is not the goal. Theory offers security, but there are no secure theories. Theories shed…

— D.A. Blankinship

A number of current theoretical explorations will turn out to be passing fancies...

— Abraham Pais