做给别人看很简单，做给自己看却很难。
Challenges are what make life interesting; overcoming them is what makes life meaningful.
在数学中，提出问题的艺术必须比解决问题更有价值。
The universe constantly surprises us, and that’s what makes science so exciting.
To be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others.
小猪：“我们会永远是朋友，对吗维尼?”维尼：“我们的友谊比永远还要远。”
我是一个正在进行中的作品。
"The truth is often hidden in the details."