The main fuel to speed the world's progress is our stock of knowledge, and the brake is our lack of read more

The main fuel to speed the world's progress is our stock of knowledge, and the brake is our lack of imagination.

It is a juvenile notion that a society needs a lofty purpose and a shining vision to achieve much. Both read more

It is a juvenile notion that a society needs a lofty purpose and a shining vision to achieve much. Both in the marketplace and on the battlefield men who set their hearts on toys have often displayed unequal initiative and drive. And one must be ignorant of the creative process to look for a close correspondence between motive and achievement in the world of thought and imagination.

...definitions are temporary verbalizations of concepts, and concepts- particularly difficult concepts- are usually revised repeatedly as our knowledge and understanding read more

...definitions are temporary verbalizations of concepts, and concepts- particularly difficult concepts- are usually revised repeatedly as our knowledge and understanding grows.

The question is not whether we will be extremists, but what kind of extremists we will be...The nation and the read more

The question is not whether we will be extremists, but what kind of extremists we will be...The nation and the world are in dire need of creative extremists.

Puritanism: The haunting fear that someone, somewhere, may be happy.

Puritanism: The haunting fear that someone, somewhere, may be happy.

Animals can learn, but it is not by learning that they become dogs, cats, or horses. Only man has to read more

Animals can learn, but it is not by learning that they become dogs, cats, or horses. Only man has to learn to become what he is supposed to be.

The uncompromising attitude is more indicative of an inner uncertainty than a deep conviction. The implacable stand is directed more read more

The uncompromising attitude is more indicative of an inner uncertainty than a deep conviction. The implacable stand is directed more against the doubt within than the assailant without.

Simplicity is the outward sign and symbol of depth of thought.

Simplicity is the outward sign and symbol of depth of thought.

Everything that we think God has in his mind necessarily proceeds from our own mind; it is what we imagine read more

Everything that we think God has in his mind necessarily proceeds from our own mind; it is what we imagine to be in God's mind, and it is really difficult for human intelligence to guess at a divine intelligence. What we usually end up with by this sort of reasoning is to make God the color-sergeant of our army and to make Him as chauvinistic as ourselves.