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The best time to plant a tree was 20 years ago. The second best time is now.
科学的美在于它能不断给我们带来惊喜。
The best ideas often come from unexpected places.
How sharper than a serpent's tooth is to have a thankless child.
The true value of education is not just in the accumulation of facts, but in the training of the mind to think critically and creatively.
过去从未死去,它甚至还没有过去。
每个人内心都有一个秘密世界。我是说,世界上所有的人。每个人。无论他们在外面多么乏味和无聊,他们内心都有难以想象的、壮丽的、美妙的、愚蠢的、惊人的世界。不仅仅是一个世界。有数百个。