Scientific progress consists in the development of new concepts.

Scientific progress consists in the development of new concepts.

The pillars of truth and the pillars of freedom--they are the pillars of society.

The pillars of truth and the pillars of freedom--they are the pillars of society.

Organizational progress parallels that in science and technology, permitting ultimate simplicity through intermediate complexity.

Organizational progress parallels that in science and technology, permitting ultimate simplicity through intermediate complexity.

The fanatic is not really a stickler to principle. He embraces a cause not primarily because of its justness or read more

The fanatic is not really a stickler to principle. He embraces a cause not primarily because of its justness or holiness but because of his desperate need for something to hold onto.

Any good practical philosophy must start out with the recognition of our having a body.

Any good practical philosophy must start out with the recognition of our having a body.

We must beware of trying to build a society in which nobody counts for anything except a politician or an read more

We must beware of trying to build a society in which nobody counts for anything except a politician or an official, a society where enterprise gains no reward and thrift no privileges.

One great society alone on earth: the noble living and the noble dead.

One great society alone on earth: the noble living and the noble dead.

Don't ever take a fence down until you know the reason it was put up.

Don't ever take a fence down until you know the reason it was put up.

Every man...should periodically be compelled to listen to opinions which are infuriating to him. To hear nothing but what is read more

Every man...should periodically be compelled to listen to opinions which are infuriating to him. To hear nothing but what is pleasing to one is to make a pillow of the mind.