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.

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.

Whenever a theory appears to you as the only possible one, take this as a sign that you have neither read more

Whenever a theory appears to you as the only possible one, take this as a sign that you have neither understood the theory nor the problem which it was intended to solve

Ethics is nothing else than reverence for life.

Ethics is nothing else than reverence for life.

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.

Have the courage to say no. Have the courage to face the truth. Do the right thing because it is read more

Have the courage to say no. Have the courage to face the truth. Do the right thing because it is right. These are the magic keys to living your life with integrity.

An ounce of action is worth a ton of theory.

An ounce of action is worth a ton of theory.

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.

Ethics is the activity of man directed to secure the inner perfection of his own personality.

Ethics is the activity of man directed to secure the inner perfection of his own personality.