None save great men have been the authors of great heresies.

None save great men have been the authors of great heresies.

Without speculation there is no good and original observation.

Without speculation there is no good and original observation.

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.

The methods of the natural sciences cannot be applied to human behavior because this behavior...lacks the peculiarity that characterizes events read more

The methods of the natural sciences cannot be applied to human behavior because this behavior...lacks the peculiarity that characterizes events in the field of the natural sciences, viz., regularity.

The unpredictability inherent in human affairs is due largely to the fact that the by-products of a human process are read more

The unpredictability inherent in human affairs is due largely to the fact that the by-products of a human process are more fateful than the product.

Challenges are what make life interesting; overcoming them is what makes life meaningful.

Challenges are what make life interesting; overcoming them is what makes life meaningful.

Never assume the obvious is true.

Never assume the obvious is true.

The battle to feed all of humanity is over. In the 1970s and 1980s hundreds of millions of people will read more

The battle to feed all of humanity is over. In the 1970s and 1980s hundreds of millions of people will starve to death...

The true measure of a man is how he treats someone who can do him
absolutely no good.

The true measure of a man is how he treats someone who can do him
absolutely no good.