如果你想飞翔，就必须放弃那些拖累你的东西。

The structure of the international system, not the intentions of individual states, is the primary determinant of state behavior.

International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.

The Langlands program is not a theory but a web of conjectures and theorems that, if fully established, would unite number theory and representation theory.