If you are given an open-book exam, you will forget your book. If at first you don't succeed, skydiving is not for you.
Psychiatrists say that one of four people are mentally ill.
Check three friends. If they're okay, you're it. Nothing in the known universe travels faster than a bad cheque. A truly wise man never plays leapfrog with a unicorn. The trouble with doing something right the first time is that nobody appreciates how difficult it was.