So far as business and money are concerned, a country gains nothing by a successful war, even though that war involves the acquisition of immense new provinces.

The husband - by primitive instinct partly, certainly by ancient tradition - regards himself as the active partner in matters of love and his own pleasure as legitimately the prime motive for activity.

The mathematician has reached the highest rung on the ladder of human thought.

Here, where we reach the sphere of mathematics, we are among processes which seem to some the most inhuman of all human activities and the most remote from poetry. Yet it is here that the artist has the fullest scope of his imagination.

Still, whether we like it or not, the task of speeding up the decrease of the human population becomes increasingly urgent.

The omnipresent process of sex, as it is woven into the whole texture of our man's or woman's body, is the pattern of all the process of our life.

The sun, the moon and the stars would have disappeared long ago... had they happened to be within the reach of predatory human hands.