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.

An adequate share of humor and laughter represents an essential part of the diet of the healthy person.

The life-force may be the least understood force on earth.

The capacity for hope is the most significant fact of life. It provides human beings with a sense of destination and the energy to get started.

No one really knows enough to be a pessimist.

Infinity converts the possible into the inevitable.

Intelligence and the spirit of adventure can be combined to create new energies, and out of these energies may come exciting and rewarding new prospects.