永远在学习。世界变化很快，你需要跟上。
Always be learning. The world changes fast, and you need to keep up.
自由的土地上，人人都是国王。
The tongue is like a sharp knife, killing without drawing blood. Words from a skilled person can cause greater harm than a warrior’s weapon.
"In the realm of science, every question answered leads to a dozen more waiting to be explored."
Most people are afraid of change，but if you look at it as something you can count on，then it can be a comfort.There's not many things you can really count on.