Nothing in the world is more dangerous than a sincere ignorance and conscientious stupidity.

Nothing in the world is more dangerous than a sincere ignorance and conscientious stupidity.

When you want to organize knowledge. you will be careful to base the classification upon essential qualities. You will thus read more

When you want to organize knowledge. you will be careful to base the classification upon essential qualities. You will thus derive classes in which the members have the greatest amount of resemblance to one another and the greatest amount of difference from the members of other classes. But suppose that, instead of organizing knowledge, you set out to organize ignorance and prejudice. You will then do precisely the opposite...You will keep the classification vague and flexible, so that it can be made to include just whatever individuals you choose.

Insanity -- a perfectly rational adjustment to an insane world.

Insanity -- a perfectly rational adjustment to an insane world.

I don't use drugs, my dreams are frightening enough.

I don't use drugs, my dreams are frightening enough.

Action may not always bring happiness; but there is no happiness without action.

Action may not always bring happiness; but there is no happiness without action.

The inertia of the human mind and its resistance to innovation are most clearly demonstrated not, as one might expect, read more

The inertia of the human mind and its resistance to innovation are most clearly demonstrated not, as one might expect, by the ignorant mass- which is easily swayed once its imagination is caught- but by professionals with a vested interest in tradition and in the monopoly of learning. Innovation is a twofold threat to academic mediocrities: it endangers their oracular authority, and it evokes the deeper fear that their whole, laboriously constructed intellectual edifice might collapse. The academic backwoodsmen have been the curse of genius from Aristarchus to Darwin and Freud; they stretch, a solid and hostile phalanx of pedantic mediocrities, across the centuries.

The human understanding, from its peculiar nature, easily supposes a greater degree of order and regularity in things than it read more

The human understanding, from its peculiar nature, easily supposes a greater degree of order and regularity in things than it really finds.

There is an accumulative cruelty in a number of men, though none in particular are ill-natured.

There is an accumulative cruelty in a number of men, though none in particular are ill-natured.

Men have made an idol of luck as an excuse for their own thoughtlessness.

Men have made an idol of luck as an excuse for their own thoughtlessness.