To know truly is to know by causes.

To know truly is to know by causes.

The burning of an author's books, imprisonment for opinion's sake, has always been the tribute that an ignorant age pays read more

The burning of an author's books, imprisonment for opinion's sake, has always been the tribute that an ignorant age pays to the genius of its time.

Science does not give us absolute and final certainty. It only gives us assurance within the limits of our mental read more

Science does not give us absolute and final certainty. It only gives us assurance within the limits of our mental abilities and the prevailing state of scientific thought.

An empty head is not really empty; it is stuffed with rubbish. Hence the difficulty of forcing anything in to read more

An empty head is not really empty; it is stuffed with rubbish. Hence the difficulty of forcing anything in to an empty head.

Laughter to begin with was probably glee at the misfortunes of others. The baring of the teeth in laughter hints read more

Laughter to begin with was probably glee at the misfortunes of others. The baring of the teeth in laughter hints at its savage ancestry. Animals have no malice, hence also no laughter. They never savor the sudden glory of Schadenfreude. It was its infectious quality that made of laughter a medium of mutuality.

In the alchemy of man's soul almost all noble attributes- courage, honor, love, hope, faith, duty, loyalty, and so on- read more

In the alchemy of man's soul almost all noble attributes- courage, honor, love, hope, faith, duty, loyalty, and so on- can be transmuted into ruthlessness. Compassion alone stands apart from the continuous traffic between good and evil proceeding within us. Compassion is the antitoxin of the soul: where there is compassion, even the most poisonous impulses remain relatively harmless.

The well-adjusted make poor prophets.

The well-adjusted make poor prophets.

Dreaming permits each and everyone of us to be quietly and safely insane every night of our lives.

Dreaming permits each and everyone of us to be quietly and safely insane every night of our lives.

There are two modes of acquiring knowledge, namely by reasoning and experience. Reasoning draws a conclusion and makes us grant read more

There are two modes of acquiring knowledge, namely by reasoning and experience. Reasoning draws a conclusion and makes us grant the conclusion, but does not make the conclusion certain, nor does it remove doubt so that the mind may rest on the intuition of truth, unless the mind discovers it by the path of experience.