不应幸灾乐祸，也不应在他人危难时加以利用！这仁义之心，太珍贵了！并且真正的强者不会在别人落难时出手，而是给予帮助！

一纸文凭不见得就可以造就一个人，正如同牢狱生涯也不见得会打垮每一个人。

In mathematics, the journey is as important as the destination.

Peace is not merely the absence of war, but the presence of justice, of law, of order—in short, of government.

Small changes in material design can lead to massive reductions in environmental impact.

决定你高度的不是你的能力，而是你的态度。