When you develop yourself to the point where your belief in yourself is so strong that you know that you can accomplish anything you put your mind to, your future will be unlimited.
Brian TracyThe depth of your belief and the strength of your conviction determines the power of your personality.
Brian TracyTo be successful, you need to really work hard. And every study in the last 50 years says that successful people say, "I am not smarter than anybody else. I just want to work harder and longer."
Brian TracyDestructive 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.
Brian Tracy