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Every mathematical problem has a solution; sometimes it just takes time to find it.
垂直农业让我明白,限制常常会激发最明亮的创新。
唯一真正的监狱是你为自己建造的那个。
不要用很多词语说一点东西,而要在很少的词语中表达很多。
If everything was perfect, you would never learn and you would never grow.