If at first you don't succeed, you may be at your level of incompetence already.
do it now. There may be a law against it tomorrow.
Heredity is what sets the parents of a teenager wondering about each other.
As a matter of fact is an expression that precedes many an expression that isn't.
There are more pretty photographs of women than there are photographs of pretty women.
An intelligence test sometimes shows a man how smart he would have been not to have taken it.