Pessimism is a waste of time.

Nature has not been lavish in her endowments, but each person has his or her own potential in terms of achievement and service. The awareness of that potential is the discovery of purpose; the fulfillment of that potential is the discovery of strength.

You are younger today than you will ever be again. Make use of it for the sake of tomorrow.

If something comes to life in others because of you, then you have made an approach to immortality.

No one really knows enough to be a pessimist.

Belief creates biology.

If news is not really news unless it is bad news, it may be difficult to claim we are an informed nation