Whether a belief is considered to be a delusion or not depends partly upon the intensity with which it is defended, and partly upon the numbers of people subscribing to it.

It is a tragic paradox that the very qualities that have led to man's extraordinary capacity for success are also those most likely to destroy him.

The human spirit is not indestructible; but a courageous few discover that, when in hell, they are granted a glimpse of heaven.

So-called "inspiration" is no more than an extreme example of a process which constantly goes on in the minds of all of us.

With the exception of certain rodents, no other vertebrate except Homo sapiens habitually destroys members of his own species.

I want to show that the dividing lines between sanity and mental illness have been drawn in the wrong place.

Whether a belief is considered to be a delusion or not depends partly upon the intensity with which it is defended, and partly upon the numbers of people subscribing to it.