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.
Brian TracyIf you want to develop courage, then simply act courageously when it's called for. If you do something over and over again, you develop a habit. Some people develop the habit of courage. Some people develop the habit of non-courage.
Brian TracySuccess comes to those who are willing to launch toward their goals with no guarantees of success - and persist when there is every reason to give up.
Brian TracyTeamwork is so important that it is virtually impossible for you to reach the heights of your capabilities or make the money that you want without becoming very good at it.
Brian Tracy