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Design should solve problems, not create new ones.

The music industry is tough, but our friendship is tougher.

The ultimate goal of machine learning is to make machines that can learn from experience and improve their performance over time.

解釋：砍伐樹木不把樹根砍掉，必能重新生長；堵塞水不把源頭堵住，必會重新流出；消除禍患不鏟除產生禍患的根基，禍患還會再生。

窮人一生都夢想著吃飽飯，看起來像富人。而富人夢想什么呢？減肥，看起來像窮人。