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深度學習是一種超能力。有了它，你可以讓計算機看、聽和學習。

The true teacher defends his pupils against his own personal influence. He inspires self-distrust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.

The most powerful motivator is not money. It’s the opportunity to learn, grow in responsibilities, contribute to others, and be recognized for achievements.

在數學中，提出問題的藝術必須比解決問題更有價值。