To any mental state there corresponds a physical condition.

Jealousy is one of the wickedest of all the passions. It is that which has been the most fruitful mother of tragedies, murders, and wars. But reprehensible though it is, jealousy is almost rather to be pitied than blamed--its first victims are those who harbour the feeling.

Intuition without reason is the fertile mother of blunders and wrongs.

To any mental state there corresponds a physical condition.

Every anxiety is a mild form of premonition, and from that point the shade deepens till we get the forebodings and hauntings that merge into lunacy.

Truth is the one thing in nature always consistent with itself, and it is the one guide given to us in steering on the ocean of fate.

Jealousy, in spite of the mad frenzy of its most splendid displays, is a vice of weakness; it arises from a mind whose aspirations and desires are inferior to its accomplishments; it is the child of baulked vanity and failure of courage.