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每個數學問題都有一個解決方案；只是需要時間和努力去找到它。

I like to take things slowly, step by step. I don't want to rush anything in my life.

The ultimate test of any economic theory is whether it improves real-world decisions.

Success is not final, failure is not fatal: It is the courage to continue that counts.

The best armor of old age is a well-spent life perfecting it.

The faster technology evolves, the more we must invest in human wisdom.