The balance of power is the only way to maintain peace in the international system.

I do not know what I may appear to the world， but to myself I seem to have been only like a boy playing on the sea-shore， and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary， whilst the great ocean of truth lay all undiscovered before me.

工作是为了「成为」，而不是「获得」。

"Great leaders don't create followers, they create more leaders."