A scientific man ought to have no wishes, no affections, a mere heart of stone.  

The journey of a thousand miles begins with a single step.

The future of food security lies beneath the waves, and we must farm it responsibly.

爱情，你的话是我的食粮，你的气息是我的醇酒。

如果一个人不过高地估计自己，他就会比他自己所估计的要高得多。