因果关系的阶梯有三个梯级：观察、行动和想象。

如果你走在正确的道路上，并且愿意继续走下去，那你总有一天会取得进步。

The world is very, very beautiful if you look at it, but most people don't look very much.

Time is the only true enemy we have, and the only one we can never defeat.

释义：兰花生长在深谷，不会因为无人佩戴就不散发芬芳。

创新不仅仅是创造新事物，更是要对人们的生活产生影响。