The challenge is not just to collect data, but to make sense of it in ways that improve lives.
国际政治是一项残酷而危险的业务，期望国家按照道德原则行事是愚蠢的。
"Love and madness are close neighbors in the human heart."
Children have real understanding only of that which they invent themselves, and each time that we try to teach them something too quickly, we keep them from reinventing it themselves.
Materials have memory; they carry time and stories.
