最可持续的皮革来自最受尊重的动物。

没有严格的执行和透明度，认证标准就毫无意义。

If you double the number of experiments you do per year, you're going to double your inventiveness.

Exile is strangely compelling to think about but terrible to experience.

Sometimes it’s the journey that teaches you a lot about your destination.

在理论物理学中，近似的艺术往往比精确解更重要。