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我的语言的界限即是我的世界的界限。
质量不是声明;它是一种证明。
每一块砖、每一片瓦都有自己的语言,建筑师要学会倾听。
Success is measured not just by profits, but by the positive impact we create.
Reinforcement is the central factor in the acquisition of new behavior patterns.
写作是留下遗产的一种方式。
In science, there is no such thing as a final answer.