Pessimism doesn't grow your business or even maintain the status quo. The pessimists on your staff make the job harder for everyone around them. They make difficulties out of opportunities.

You can win more friends with your ears than with your mouth. People who feel like they're being listened to feel accepted and appreciated. They feel like they're being taken seriously and what they say really matters.

I've known entrepreneurs who were not great salespeople, or didn't know how to code, or were not particularly charismatic leaders. But I don't know of any entrepreneurs who have achieved any level of success without persistence and determination.

Worrying makes you cross the bridge before you come to it.

Make the second effort your second nature.

If you don't look ahead, you'll always be behind.

Laugh often. Starting your day with a good laugh, or at least a big smile, is as beneficial to your health as it is to your mood. Scientific studies at Northwestern University and Fordham University concluded that laughter benefits the heart, lungs, stomach and other organs. It relaxes tensions, changes attitude, and increases the body's natural painkillers. And it has no harmful side effects.