Five hundred years before Christ was born, the Greek philosopher Heraclitus told his students that "everything changes except the law of change". He said: "You cannot step in the same river twice." The river changes every second; and so does the man who stepped in it. Life is a ceaseless change. The only certainty is today. Why mar the beauty of living today by trying to solve the problems of a future that is shrouded in ceaseless change and uncertainty-a future that no one can possibly foretell?
Dale CarnegieLet's fight for our happiness by following a daily program of cheerful and constructive thinking.
Dale CarnegieThere is a certain degree of satisfaction in having the courage to admit one's errors. It not only clears up the air of guilt and defensiveness, but often helps solve the problem created by the error
Dale CarnegieAn old man was asked what had robbed him of joy in his life. His reply was, "Things that never happened."
Dale Carnegie