Be Careful When You Bite Into Your Hamburger. -- Derek Bok
Be careful when you bite into your hamburger.
-- Derek Bok
Be careful when you bite into your hamburger. -- Derek Bok
If you think education is expensive, try ignorance. -- Derek Bok, president of Harvard
Be careful when throwing a boomerang - you might hit the back of your head.
When all your weapons fail, bite them!
Although you should not bite your fingernails, when you do, it avoids being called on by friends to scratch their back.
Others will look to you for stability, so hide when you bite your nails.