The human race is challenged more than ever before to demonstrate our mastery, not over nature but of ourselves.

Then the song of a whitethroat, pure and ethereal, with the dreamy quality of remembered joy.

The Choice, after all, is ours to make.

Every mystery solved brings us to the threshold of a greater one.

In nature nothing exists alone.

Those who contemplate the beauty of the earth find reserves of strength that will endure as long as life lasts.

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