Be like the turtle. If he didn't stick his neck out, he wouldn't get anywhere at all.
Failures don't plan to fail; they fail to plan.
Most business problems can be solved if you can teach yourself to look beyond the dollar sign.
The first successful salesperson was not a man, it was Eve.
Pale ink is better than the most retentive memory.
Don't fall in love with your wit. Your cleverly turned phrase may not, as you hope, show off how much gray matter you have, especially if the phrase is at someone else's expense.