Destructive criticism is the biggest single enemy of human potential. It is worse than cancer or heart disease. While those diseases can ultimately lead to the deterioration and death of an individual, destructive criticism kills the soul of the person but leaves the body walking around.

If you can get yourself to read 30 minutes a day, you're going to double your income every year.

Think, walk, talk and act like a nonsmoker and you will soon be one

The starting point of great success in your life begins, in the simplest terms, when you discipline yourself to think and talk about only the things you want and refuse to think and talk about anything you don't want.

Get around the right people. Associate with positive, goal-oriented people who encourage and inspire you.

Almost all stress, tension, anxiety, and frustration, both in life and in work, comes from doing one thing while you believe and value something completely different.

The more you like yourself, the better you do at everything you put your mind to.