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Given the choice between the experience of pain and nothing, I would choose pain.

我不讓錯誤讓我灰心，我讓它們教育我。

移山之人，始于搬運小石。

Sustainability is not an option; it's a responsibility we owe to future generations.

幸福晚年的秘訣在于要有好的記性和壞的記性。

The pursuit of mathematical truth requires both intuition and rigor.

The purpose of education is to make up for the shortcomings in our instinctive ways of thinking.