任务必须是困难的，因为只有困难才能激发高尚的心灵。

我一直对创造不存在的世界这个想法着迷。

语言既是桥梁也是障碍，它连接我们也分隔我们。

The soil is not just dirt—it's the foundation of civilization.

那只是我的一小步，却是人类的一大步。

I always thought it was important to have a vision and to persist.

Productivity is often a distraction. Don’t aim for better ways to get through your tasks as quickly as possible， rather aim for better tasks that you never want to stop doing.