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Books are bridges—between people, places, and times.

The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.

The value of a psychological concept is in its life application.

信息技術的第一大好處是它賦予人們做他們想做的事情的能力。它讓人們變得有創造力。它讓人們變得高效。它讓人們學習他們以前認為自己無法學習的東西，所以在某種意義上，它是關于潛力的。