An empire founded by war has to maintain itself by war.
音乐是我的生命,谢谢你们肯定我的生命。
The most important actions are never comfortable.
"History is not just about the past; it's about the present and the future too."
代数分析很快让我们忘记了研究的主要对象,因为它将我们的注意力集中在抽象的组合上,直到最后我们才回到最初的目标。
Success is not final, failure is not fatal: it is the courage to continue that counts.