It doesn't matter if they say you can't do it. It only matters if you say you can't.
Keep the customer actively involved throughout your presentation, and watch your results improve.
The longer they keep you waiting, the more they want to deal.
Your day usually goes the way the corners of your mouth turn. The most powerful single thing you can do to influence others is to smile at them.
Many people may listen, but few people actually hear.
For the real winners, there are no finish lines.