Whenever we accept an idea as authority instead of as instrument, an idol is set up. We worship the plough, and not the fruit.

Unless our ideas are questioned, they become part of the furniture of eternity.

It is not the idea as such which the censor attacks, whether it be heresy or radicalism or obscenity. He attacks the circulation of the idea among the classes which in his judgment are not to be trusted with the idea.

Creative ideas come to the intuitive person who can face up to the insecurity of looking beyond the obvious.