It is curious - curious that physical courage should be so common in the world, and moral courage so rare

It is curious - curious that physical courage should be so common in the world, and moral courage so rare

[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.

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

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

The most important persuasion tool you have in your entire arsenal is integrity.

The most important persuasion tool you have in your entire arsenal is integrity.

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.

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.

The theory seems to be that as long as a man is a failure he is one of God's children, read more

The theory seems to be that as long as a man is a failure he is one of God's children, but that as soon as he succeeds he is taken over by the Devil.

The right to swing my fist ends where the other man’s nose begins.

The right to swing my fist ends where the other man’s nose begins.

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.