Only mathematics and mathematical logic can say as little as the physicist means to say.

Science is at no moment quite right, but it is seldom quite wrong, and has, as a rule, a better chance of being right than the theories of the unscientific. It is, therefore, rational to accept it hypothetically.

The universe may have a purpose, but nothing we know suggests that, if so, this purpose has any similarity to ours.

The reason is, and by rights ought to be, slave to the emotions.

Your writing is never as good as you hoped; but never as bad as you feared.

It is permissible with certain precautions to speak in print of coitus, but it is not permissible to employ the monosyllabic synonym for this word.

True happiness for human beings is possible only to those who develop their godlike potentialities to the utmost.