All work and no play makes Jack a dull boy - and Jill a wealthy widow.
The three chief causes of divorce are men, women, and marriage.
[A mathematician is a] scientist who can figure out anything except such simple things as squaring the circle and trisecting an angle.
Hope is tomorrow's veneer over today's disappointment.
Zoo: An excellent place to study the habits of human beings.
The best time to give advice to your children is while they're still young enough to believe you know what you're talking about.