The iron rule of nature is: you get what you reward for. If you want ants to come, you put sugar on the floor.

All my life through, the new sights of Nature made me rejoice like a child.

科学发现的真正本质不在于它提供的答案，而在于它提出的新问题。

创新不仅仅是创造新事物，也是改进已有的事物。