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A mathematician's work is never done; there are always more problems to solve.
Being online should be a right, not a privilege.
可持续性不仅是一种趋势,更是未来农业的基础。
强者的权力除了建立在人民的意见和信仰之上外,别无基础。
The only way to tell the truth is to speak with authority, and the only way to speak with authority is to claim the right to tell the truth.