The world is full of magic things, patiently waiting for our senses to grow sharper.

Simplicity can be the most powerful thing.

最重要的是保持使命驱动。

Courage doesn't always roar. Sometimes courage is the quiet voice at the end of the day saying, "I will try again tomorrow."

数学不是一项观赏性运动。

每个词都是一个世界。