Be yourself! is about the worst advice you can give some people.
After all is said and done, usually more is said than done.
Never laugh at a live dragon.
Whatever the person at the next table orders, it always looks better than yours.
No one calls in sick on Wednesdays.
Measure twice, cut once.
It's easy to make decisions on matters for which you have no responsibility.
There's a 50 percent chance of anything. Either it happens, or it doesn't.
Pack your own parachute.
If perception is reality, what's reality?