1. Nature! We are always surrounded and held by her: we have neither the strength to leave her nor the strength to approach her. Without invitation or warning, she takes us into her swirling dance, whirling us around until we collapse from her arms, exhausted. ——(Germany) Goethe's "The Biography of Goethe"

2. Nature will never deceive us. It is often only ourselves who deceive us. ——(France) Rousseau "On Science and Art"

3. Nature is like a smiling benevolent mother. She helps our ideals and she cherishes our imagination. ——(France) Hugo "93"

4. Everything in nature operates according to laws. ——(Germany) Kant's "Critique of Pure Reason"

5. The world is a chessboard, the phenomena of the universe are the chess pieces, and the rules of chess are what we call the laws of nature. ——(British) Aldous Huxley, "Brave New World"

6. The primary task of civilization, that is, its actual reason for existence, is to help us resist the invasion of nature. ——(Austria) Freud "Beyond the Pleasure Principle"

7. Nature contains an influence that far exceeds human teaching. ——(France) Voltaire's "Candide"

8. All art and education are nothing more than natural appendages. ——(Ancient Greece) Aristotle's "On Instruments"

9. Those who learn worship lessons from nature are the happiest people. (USA) Emerson's "On Nature"

10. We cannot wait for the blessings of nature. It must be fought, and that is our task.

——(Soviet Union) Michurin "Working Principles and Methods"