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

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

You cannot run a business, or anything else, on a theory.

You cannot run a business, or anything else, on a theory.

An ounce of action is worth a ton of theory.

An ounce of action is worth a ton of theory.

A young boy is a theory, an old man is a fact.

A young boy is a theory, an old man is a fact.

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.

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.

You have to know you can first. How comes later.

You have to know you can first. How comes later.

Science is organized common sense where many a beautiful theory was killed by an ugly fact.

Science is organized common sense where many a beautiful theory was killed by an ugly fact.

In scientific work, those who refuse to go beyond fact rarely get as far as fact.

In scientific work, those who refuse to go beyond fact rarely get as far as fact.