To forget one's purpose is the commonest form of stupidity.

In praise there is more obtrusiveness than in blame.

Even today a crude sort of persecution is all that is required to create an honorable name for any sect, no matter how indifferent in itself.

Ultimately one loves one's desires and not that which is desired.

Those people have no real interest in a science who only begin to get excited about it when they themselves have made discoveries in it.

Wherever on earth the religious neurosis has appeared we find it tied to three dangerous dietary demands: solitude, fasting, and sexual abstinence.

The belief in authority is the source of conscience; which is therefore not the voice of God in the heart of man, but the voice of some men in man.