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Quotes about Theory

Creationist critics often charge that evolution cannot be tested, and therefore cannot be viewed as a properly scientific subject at all. This claim is rhetorical nonsense.
- Stephen Jay Gould
There has never been a philosophy, a theory or a doctrine, that attacked (or 'limited') reason, which did not preach submission to the power of some authority.
- Ayn Rand
Religion, culture, education are all things that sound wonderful in theory. In practice, however, they are not so wonderful.
- Marty Rubin
I think the discovery of supersymmetric partners for the known particles would revolutionize our understanding of the universe.
- Stephen Hawking
The duty of the historian is not to make the facts, but to discover them, and then to construct his theory wide enough to give them all comfortable room.
- Philip Schaff
Managers are already voracious consumers of theory. Every time they make a decision or take action, it's based on some theory that leads them to believe that action will lead to the right result. The problem is, most managers aren't aware of the theories they're using, and they often use the wrong theories for the situation.
- Clayton M. Christensen
We are now so far from the road to truth, that religious teachers dispute and hate each other, and speculative men are esteemed unsound and frivolous. But to a sound judgment, the most abstract truth is the most practical. Whenever a true theory appears, it will be its own evidence. Its test is, that it will explain all phenomena. Now many are thought not only unexplained but inexplicable; as language, sleep, madness, dreams, beasts, sex.
- Ralph Waldo Emerson
The advantage of the ideal theory over the popular faith, is this, that it presents the world in precisely that view which is most desirable to the mind. It is, in fact, the view which Reason, both speculative and practical, that is, philosophy and virtue, take. For, seen in the light of thought, the world always is phenomenal; and virtue subordinates it to the mind.
- Ralph Waldo Emerson
Evolution is the fundamental idea in all of life science - in all of biology.
- Ray Comfort
The 'science' for which the United States is respected has nothing to do with the unscientific and baseless theory of evolution.
- Ray Comfort
A study of family portraits is enough to convert a man to the theory of reincarnation.
- Arthur Conan Doyle
It can therefore be said that, from the viewpoint of the doctrine of the faith, there are no difficulties in explaining the origin of man in regard to the body, by means of the theory of evolution.
- Pope John Paul II