Don't listen to people who tell you what to do. Listen people who encourage you to do what's right in your heart.

Success is not measured by what you do compared to what somebody else does. Success is measured by what you do compared to what you are capable of doing.

The hardening of the attitudes is the most deadly disease on the face of the earth.

If you want to catch the right mental attitude, go where that attitude exists. Start by going to the people who have the right mental attitude. If the right people aren't always available, then go the right book, or to the right recording of a dynamic speaker.

Even a two-car parade gets fouled up if you don't decide ahead of time who's going to lead.

I wouldn't say 'most' people are prone to negativity. I think it's probably that most people allow negativity to color their thinking, depending on circumstances, but I also believe most people make the necessary efforts to return to positive thinking as quickly as possible.

A smile is your greatest social asset.