一个奇怪的事实是，在大西洋两岸发现了极其相似的动植物，但没有人对这一现象给出令人满意的解释。

Technology should work for you in the background, seamlessly and invisibly.

If you can't explain your chemistry to a non-scientist, you don't understand it well enough.

会有障碍。会有怀疑者。会有错误。但只要努力，就没有限制。