Even in civilized mankind faint traces of monogamous instinct can be perceived.

Much of the most important evils that mankind have to consider are those which they inflict upon each other through stupidity or malevolence or both.

I do not believe that I am now dreaming, but I cannot prove that I am not.

Aristotle could have avoided the mistake of thinking that women have fewer teeth than men, by the simple device of asking Mrs. Aristotle to keep her mouth open while he counted.

Most human beings, though in varying degrees, desire to control, not only their own lives but also the lives of others

Even if it is indifferent to human desires, as it seems to be; if human life is a passing episode, hardly noticeable in the vastness of cosmic processes; if there is no superhuman purpose, and no hope of ultimate salvation, it is better to know and acknowledge this truth than to endeavor, in futile self-assertion, to order the universe to be what we find comfortable.

The finding of arguments for a conclusion given in advance is not philosophy, but special pleading