Some people are going to leave a mark on this world, while others will leave a stain.

I never met Mahatma Gandhi, but, I think everyone felt they knew him even if they hadn't met him.

Usefulness, whatever form it may take, is the price we should pay for the air we breathe and the food we eat and the privilege of being alive.

practically nothing we do ever stands by itself. If it is good, it will serve some good purpose in the future. If it is evil, it may haunt us and handicap our efforts in unimagined ways.

Every time you meet a situation you think at the time it is an impossibility and you go through the tortures of the damned, once you have met it and lived through it, you find that forever after you are freer than you were before.

What I have learned from my own experience is that the most important ingredients in a child's education are curiosity, interest, imagination, and a sense of the adventure of life.

Tomorrow is a mystery. Today is a gift. That is why it is called the present.