Our theories of the eternal are as valuable as are those which a chick which has not broken its way read more

Our theories of the eternal are as valuable as are those which a chick which has not broken its way through its shell might form of the outside world.

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

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

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.

Many things difficult to design prove easy to performance.

Many things difficult to design prove easy to performance.

Relativity applies to physics, not ethics

Relativity applies to physics, not ethics

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.

How empty is theory in the presence of fact

How empty is theory in the presence of fact

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.