[ theory Quotes ]



Showing search results for Quotations by subject : Theory - 14 quotations
14 quotes

A theory is no more like a fact than a photograph is like a person.
Theory
Edgar Watson Howe

Comment this quote | Permalink | Vote for this quote  | 178 votes

A young man is a theory, an old man is a fact.
Theory
Edgar Watson Howe

Comment this quote | Permalink | Vote for this quote  | 209 votes

Even for practical purposes theory generally turns out the most important thing in the end.
Theory
Oliver Wendell Holmes

Comment this quote | Permalink | Vote for this quote  | 243 votes

Every theory is a self-fulfilling prophecy that orders experience into the framework it provides.
Theory
Ruth Hubbard

Comment this quote | Permalink | Vote for this quote  | 240 votes

Good tests kill flawed theories; we remain alive to guess again.
Theory
Karl Popper

Comment this quote | Permalink | Vote for this quote  | 208 votes

It is theory that decides what can be observed.
Theory
Albert Einstein

Comment this quote | Permalink | Vote for this quote  | 186 votes

Let us work without theorizing, 'Tis the only way to make life endurable.
Theory
Voltaire

Comment this quote | Permalink | Vote for this quote  | 198 votes

One must credit an hypothesis with all that has had to be discovered in order to demolish it.
Theory
Jean Rostand

Comment this quote | Permalink | Vote for this quote  | 187 votes

Socrates thought and so do I that the wisest theory about the gods is no theory at all.
Theory
Michel Eyquem De Montaigne

Comment this quote | Permalink | Vote for this quote  | 164 votes

Some theories are good for nothing except to be argued about.
Theory
Georg C. Lichtenberg

Comment this quote | Permalink | Vote for this quote  | 195 votes

The temptation to form premature theories upon insufficient data is the bane of our profession.
Theory
Sherlock Holmes

Comment this quote | Permalink | Vote for this quote  | 210 votes

Theoretical principals must sometimes give way for the sake of practical advantages.
Theory
William Pitt

Comment this quote | Permalink | Vote for this quote  | 195 votes

Theories are always very thin and insubstantial, experience only is tangible.
Theory
Hosea Ballou

Comment this quote | Permalink | Vote for this quote  | 291 votes

Theories that go counter to the facts of human nature are foredoomed.
Theory
Edith Hamilton

Comment this quote | Permalink | Vote for this quote  | 219 votes
Research is what I'm doing when I don't know what I'm doing.
[ Research ] Wernher Von Braun