It may indeed prove to be far the most difficult and not the least important task for human reason rationally read more

It may indeed prove to be far the most difficult and not the least important task for human reason rationally to comprehend its own limitations. It is essential for the growth of reason that as individuals we should bow to forces and obey principles which we cannot hope fully to understand, yet on which the advance and even the preservation of civilization depend.

It seems, in fact, as though the second half of a man's life is made up of nothing, but the read more

It seems, in fact, as though the second half of a man's life is made up of nothing, but the habits he has accumulated during the first half.

A man without force, is without the essential dignity of humanity. Human nature is so constituted, that it cannot honor read more

A man without force, is without the essential dignity of humanity. Human nature is so constituted, that it cannot honor a helpless man, although it can pity him.

Probably the difference between man and the monkeys is that the monkeys are merely bored, while man has boredom plus read more

Probably the difference between man and the monkeys is that the monkeys are merely bored, while man has boredom plus imagination.

Far more crucial than what we know or do not know is what we do not want to know. One read more

Far more crucial than what we know or do not know is what we do not want to know. One often obtains a clue to a person's nature by discovering the reasons for his or her imperviousness to certain impressions.

To think is to differ.

To think is to differ.

The seeds of great discoveries are constantly floating around, but they only take root in minds well prepared to receive read more

The seeds of great discoveries are constantly floating around, but they only take root in minds well prepared to receive them.

A man's soul is pierced as it were with holes, and as his longings flow through each they are transmuted read more

A man's soul is pierced as it were with holes, and as his longings flow through each they are transmuted into something specific.

Physicists have determined that even the most solid and heavy mass of matter we see is mostly empty space. But read more

Physicists have determined that even the most solid and heavy mass of matter we see is mostly empty space. But at the submicroscopic level, specks of matter scattered through a vast emptiness have such incredible density and weight, and are linked to one another by such powerful forces, that together they produce all the properties of concrete, cast iron and solid rock. In much the same way, specks of knowledge are scattered through a vast emptiness of ignorance, and everything depends upon how solid the individual specks of knowledge are, and on how powerfully linked and coordinated they are with one another.