A man who has both feet planted firmly in the air can be safely called a liberal as opposed to the conservative, who has both feet firmly planted in his mouth.

You never step in the same river of thought twice, because neither you nor it are the same.

Grab a pen and put down some words - your name even - and a title: something to see, to revise, to carve, to do over in the opposite way

Since in every European country between 1870 and 1914 there was a war party demanding armaments, an individualist party demanding ruthless competition, an imperialist party demanding a free hand over backward peoples, a socialist party demanding the conquest of power and a racialist party demanding internal purges against aliens - all of them, when appeals to greed and glory failed, invoked Spencer and Darwin, which was to say science incarnate.

Of true knowledge at any time, a good part is merely convenient, necessary indeed to the worker, but not to an understanding of his subject: One can judge a building without knowing where to buy the bricks; one can understand a violin sonata without knowing how to score for the instrument. The work may in fact be better understood without a knowledge of the details of its manufacture, of attention to these tends to distract from meaning and effect.

Machines are admirable and tyrannize only with the user's consent. Where, then, is the enemy? Not where the machine gives relief from drudgery but where human judgment abdicates. The smoothest machine-made product of the age is the organization man, for even the best organizing principle tends to corrupt, and the mechanical principle corrupts absolutely.

no subject of study is more important than reading…all other intellectual powers depend on it.