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

It is the theory that decides what can be observed

It is the theory that decides what can be observed

[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.

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

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

Ethics is not definable, is not implementable, because it is not conscious; it involves not only our thinking, but also read more

Ethics is not definable, is not implementable, because it is not conscious; it involves not only our thinking, but also our feeling.

An ounce of action is worth a ton of theory.

An ounce of action is worth a ton of theory.

Integrity is telling myself the truth. And honesty is telling the truth to other people.

Integrity is telling myself the truth. And honesty is telling the truth to other people.

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.

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

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