There would be no population explosion if people who are trying to keep the wolf from the door wouldn't let the stork fly in through the window.
If you can't bear to have your face stepped on, don't try to climb the ladder of success.
The only time a lazy man ever succeeds is when he tries to do nothing.
Man is the control experiment of heredity and environment; and since his heredity controls him, he tries to control his environment.
The honeymoon is the only period when a woman isn't trying to reform her husband.