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The first step in the art of cutting metals is to find a man who has the necessary skill and experience to do the work.

The most dangerous thing is not failure, but complacency.

The unexamined life is not worth living.

尋找真理比擁有真理更珍貴。

世界上充滿了隱藏的聯系。

如果你一開始就承諾你還沒有的東西，你會失去為之努力的欲望。