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My scientific studies have afforded me great satisfaction; and I am convinced that it will not be long before the whole world acknowledges the results of my work.

給一個人火，他能溫暖一天；但把他點燃，他能溫暖余生。

權力平衡是維持國際體系和平的唯一途徑。

Writing is a way of talking without being interrupted.

The best diplomat is one who can see the trends of future developments, not just the realities of the present.

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

今天種下的每一棵樹都是留給明天的遺產。