To understand the living present, and the promise of the future, it is necessary to remember the past.

In every outthrust headland, in every curving beach, in every grain of sand there is the story of the earth.

But man is a part of nature, and his war against nature is inevitably a war against himself.

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

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

In nature nothing exists alone.

Science is part of the reality of living; it is the what, the how, and the why of everything in our experience.