Sexual pleasure, wisely used and not abused, may prove the stimulus and liberator of our finest and most exalted activities.

No faith is our own that we have not arduously won.

It is here [in mathematics] that the artist has the fullest scope of his imagination.

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.

Every artist writes his own autobiography.

For every fresh stage in our lives we need a fresh education, and there is no stage for which so little educational preparation is made as that which follows the reproductive period.

To make a mountain out of a mole-hill.