When we go down to the low-tide line, we enter a world that is as old as the earth itself - the primeval meeting place of the elements of earth and water, a place of compromise and conflit and eternal change.

When we go down to the low-tide line, we enter a world that is as old as the earth itself - the primeval meeting place of the elements of earth and water, a place of compromise and conflit and eternal change.

There is something infinitely healing in the repeated refrains of nature.

We cannot have peace among men whose hearts find delight in killing any living creature.

The years of early childhood are the time to prepare the soil.

Along with the possibility of extinction of mankind by nuclear war, the central problem of our age has therefore become the contamination of man's total environment with such substances of incredible potential for harm-substances that accumulate in the tissues of plants and animals and even penetrate the germ cells to shatter or alter the very material of heredity upon which the shape of the future depends.

Those who dwell, as scientists or laymen, among the beauties and mysteries of the earth, are never alone or weary of life.