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I want to liberate America from fear. I want people to feel free to express themselves.

The strength of steel is matched only by the strength of the people who make it.

Humans are predictably irrational in systematic ways.

The real problem is not whether machines think but whether men do.

地球上有黑暗的陰影，但相比之下光明更強大。

文學讓我們能夠從其他角度理解世界。

Diplomacy is to make your enemy your friend, not to make your friend your enemy.