Once you've accepted your flaws, no one can use them against you.

"When I approach a child, he inspires in me two sentiments; tenderness for what he is, and respect for what he may become."

The real challenge is not just to collect data, but to make sense of it.

富足不是我们获得的东西。它是我们调谐到的东西。

大国政治的悲剧在于它导致冲突和战争。