了解貧困的最佳方式是走出去，與窮人交談。
The best way to predict the future is to invent it.
The true test of a mathematical idea is its ability to inspire further questions.
我們對明天認識的唯一限制是我們今天的懷疑。
To sing of one's land is to love it twice.
永遠記住每次成功都可能導致你的失敗，每次失敗好好接受教訓，也許就會走向成功。