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解讀：不勞而獲、投機取巧所得快樂轉(zhuǎn)瞬即逝，唯有持續(xù)付出汗水與心血，攻克難題、實現(xiàn)目標(biāo)，由此產(chǎn)生的快樂才扎實、長久，激勵踏實奮斗。

Make no mistake about it: Computers process numbers - not symbols. We measure our understanding (and control) by the extent to which we can arithmetize an activity.

The way we frame a problem can greatly influence the solutions we come up with.

True courage is not the absence of fear, but moving forward in the face of fear.

最も強い人間は、自分の弱さを認(rèn)めることができる人だ。

解釋：貪圖安逸必然會敗壞自己的名聲。