和平不是免费的,需要不断努力维护。
Dreams don’t work unless you do.
The architect must be a poet, but a poet who builds.
The ocean’s resilience is finite—we must act before it’s too late.
我不是爱人,我是战士。
自然定律相对于参考系变换的对称性是物理学最基本的原理之一。