[Do not] put too much confidence in experimental results until they have been confirmed by theory.

[Do not] put too much confidence in experimental results until they have been confirmed by theory.

How empty is theory in the presence of fact

How empty is theory in the presence of fact

An ounce of action is worth a ton of theory.

An ounce of action is worth a ton of theory.

There is a theory which states that if ever for any reason anyone discovers what exactly the Universe is for read more

There is a theory which states that if ever for any reason anyone discovers what exactly the Universe is for and why it is here it will instantly disappear and be replaced by something even more bizarre and inexplicable. There is another that states that this has already happened.

There can be no theory of any account unless it corroborate with the theory of the earth.

There can be no theory of any account unless it corroborate with the theory of the earth.

Relativity applies to physics, not ethics

Relativity applies to physics, not ethics

Many things difficult to design prove easy to performance.

Many things difficult to design prove easy to performance.

Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very read more

Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.

A theory is no more like a fact than a photograph is like a person.

A theory is no more like a fact than a photograph is like a person.