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?

If you argue and rankle and contradict, you may achieve a victory sometimes; but it will be an empty victory because you will never get your opponent's good will.

Today is our most precious possession. It is our only sure possession.

Try leaving a trail of little sparks of gratitude on your daily trips. You will be surprised how they will set small flames of friendship that will be rose beacons on your next visit.

Self-expression is the dominant necessity of human nature.

Perhaps you will forget tomorrow the kind words you say today, but the recipient may cherish them over a lifetime.

People like people who help them like themselves.