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You are always a valuable, worthwhile human being — not because anybody says so, not because you're successful, not because you make a lot of money — but because you decide to believe it and for no other reason.

想要得到10倍好的結果，應該通過表揚好的行為而不是懲罰壞的行為。這在兒童和動物身上尤其明顯。

教育是燃起火焰，而非灌輸一個容器。

The challenge in computer science is not just to solve problems, but to understand why they are problems in the first place.

A well-run quarry is a symphony of logistics, efficiency, and teamwork.

我不創造烏托邦，我描繪現實。