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"Violence is the last refuge of the incompetent."

證明告訴我們該集中懷疑的地方。

Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.

We have forty million reasons for failure, but not a single excuse.

If you want to be successful, you have to be willing to fail.

在快速變化的世界中，適應性至關重要。