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解釋：不可以不知道活著的樂趣，也不可以不知道虛度光陰的擔憂。

君子有九種事情需要考慮到：看，要考慮是否清楚；聽，要考慮是否明確；臉色，要考慮是否溫和；容貌，要考慮是否恭敬；言語，要考慮是否忠實；做事，要考慮是否認真；疑惑，要考慮是否求教；憤怒，要考慮是否有后患；利益當前，要考慮是否該伸手。

The truth is often hidden in the most ordinary places.

農業中的每一個挑戰都是創新和改進的機會。

每個人都有他自己的故事，每個故事都值得被講述。

People are just as wonderful as sunsets if you let them be. When I look at a sunset, I don't find myself saying, 'Soften the orange a bit on the right hand corner.' I don't try to control a sunset. I watch with awe as it unfolds.

The only way to learn mathematics is to do mathematics.