An understanding of the natural world and what's in it is a source of not only a great curiosity but great fulfillment....

The World is full of wonders, but they become more Wonderful, not less Wonderful when Science looks at them..

It seems to me that the natural world is the greatest source of excitement; the greatest source of visual beauty; the greatest source of intellectual….

The future of life on earth depends on our ability to take action. Many individuals are doing what they can, but real success can only come if there'….