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The worth of a state, in the long run, is the worth of the individuals composing it.
一个国家的价值,从长远来看,就是它所组成的个体的价值。
The only thing that can make you immortal is your own love.
"To be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others."
"Books are the quietest and most constant of friends."
数学不是沿着一条清理干净的高速公路小心翼翼地行进,而是一次进入陌生荒野的旅程,探险者常常会迷路。