I have always considered that the true test of a machine is its practical utility in the hands of the common laborer.

对高分子的研究不仅仅是化学的一个分支；它是化学科学的一个新维度。

The best leaders are those who can see the potential in people and help them realize it.

词的雅正与否，在于其内在神韵而非表面形式。

There is only one good, which is knowledge, and one evil, which is ignorance.

常规不是关于僵化；它是关于孩子的安全感和可预测性。