我认为你不应该对任何事情感到后悔。一切事情的发生都有其原因。
States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.
修仙之路充满危险，但只有直面危险，才能获得真正的力量。
You don’t have to get it perfect, you just have to get it going.
Theoretical physics is not just about solving equations; it's about understanding the fabric of reality.