If a theory purports to explain everything, then it is…

The system becomes more coherent as it is further extended. The elements which we require for explaining a new class of facts are already…

— William Whewell

The Darwinian theory is in principle capable of explaining life. No other theory that has ever been suggested is in principle capable of explaining…

— Richard Dawkins

All your names I and my friend approve of or nearly all as to sense & expression, but I am frightened by their length…

— Michael Faraday

We have reached a situation where a theory has been accepted as fact by some, and possible contrary evidence is shunted aside. [This is]…

— Robert Shapiro

It required unusual inquisitiveness to pursue the development of scientific curiosities such as charged pith balls, the voltaic cell, and the electrostatic machine. Without…

— Frederick Seitz

“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

If you think about basic science or coming up with new theories of mathematics, these are not the kinds of things which are necessarily…

— Peter Thiel

Biochemists and biologists who adhere blindly to the Darwinism theory search for results that will be in agreement with their theories and consequently orient…

— Pierre-Paul Grasse

“Science is progressive and self-correcting: no significantly erroneous conclusions or false hypotheses can be sustained for long, as newer observations will ultimately knock down…

— Francis S. Collins

The caricature of science is that we hold tight to the theories we have, and shun challenges to them. That's just not true. In…

— Neil deGrasse Tyson

But actually theory is very practical. Gravity is a theory, for example. It allows you to predict that if you step off a cliff…

— Clayton Christensen

Observation and theory get on best when they are mixed together, both helping one another in the pursuit of truth. It is a good…

— Arthur Eddington

Physicist Isador Isaac Rabi, who won a Nobel Prize for inventing a technique that permitted scientists to probe the structure of atoms and molecules…

— Richard Saul Wurman

It is human to search for the theory of everything and it is superhuman to find it.

— Kedar Joshi

“The generalized theory of relativity has furnished still more remarkable results. This considers not only uniform but also accelerated motion. In particular, it is…

— A.A. Michelson