Never stop questioning—that’s where progress begins.

The earth gives us its treasures, but it's our duty to give back more than we take.

仅靠市场无法解决所有发展挑战，我们还需要明智的干预措施。

男人害怕女人会嘲笑他们。女人害怕男人会杀了她们。

The trade-off between bias and variance is a fundamental concept in machine learning.