Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful. But most people will die tomorrow night, so don't give up today.

Sustainability isn't a cost center; it's the biggest business opportunity of our lifetime.

We must be free not because we claim freedom, but because we practice it.

The only way to learn mathematics is to do mathematics.

税收是公司财务中唯一重要的市场缺陷。