君子的学习，一定要喜欢提问。提问和学习是相辅相成的。不学习就无法产生疑问，不提问就无法扩展知识。

成功需要抓住大趋势

The elegance of a mathematical proof often mirrors the efficiency of the algorithm it describes.

最好的绘本是那些尊重孩子智力和想象力的书。

I always think about how to make batteries safer and more efficient.

Change is inevitable, but growth is optional.