一句话，先是太胆小，明知错的事却不敢不做；后来也还是太胆小，明知对的事却不敢去做。

Every decision we make at sea has a ripple effect on global food security.

写作的艺术在于在平凡中发现美。

Every experiment is a step towards understanding the complex mechanisms of life.

牛、猪、战争和女巫：文化的谜题通过理解生活的物质条件而解决。