对人类同胞最大的罪恶不是憎恨，而是冷漠：那是不人道的本质。
The worst sin toward our fellow creatures is not to hate them, but to be indifferent to them: that's the essence of inhumanity.
Education is not just about building schools, but about ensuring children actually learn.
对做好自己的事感到满足，不必理会别人如何议论你。