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 TracyThe only real limitation on your abilities is the level of your desires. If you want it badly enough, there are no limits on what you can achieve.
Brian TracyGood habits are hard to develop but easy to live with; bad habits are easy to develop but hard to live with. The habits you have and the habits that have you will determine almost everything you achieve or fail to achieve.
Brian Tracy