Robert Heinlein Quotes

Love is the condition in which the happiness of another person is essential to your own.

Never try to teach a pig to sing; it wastes your time and it annoys the pig.

Jealousy is a disease, love is a healthy condition. The immature mind often mistakes one for the other, or assumes that the greater the love, the greater the jealousy -- in fact, they`re almost incompatible; one emotion hardly leaves room for the other. Both at once can produce unbearable turmoil...