"Sometimes, the hardest thing and the right thing are the same."

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

数学不是一项观赏性运动；要理解它，必须积极参与其中。

I'm not a girl, not yet a woman.

The only limit is the one you set for yourself.

Poor is the man whose pleasures depend on the permission of another.