The Ethiopians say that their gods are snub-nosed and black, the Thracians that theirs have light blue eyes and red hair.

The richness I achieve comes from Nature, the source of my inspiration.

林业的未来在于技术，但它必须服务于自然，而不是剥削自然。

In a rapidly changing market, flexibility is the key to success.

人类的思想和行为是自然的一部分，因此可以通过自然科学的方法来研究。