Do your own market research; ask your last ten customers exactly why they bought from you.
Brian TracyThe quality of your thinking is largely determined by the quantity of the information you have with which to work
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