Sustainability should be at the core of every business decision we make today.
可持续发展应成为我们今天每个商业决策的核心。
代数分析很快让我们忘记了研究的主要对象，因为它将我们的注意力集中在抽象的组合上，直到最后我们才回到最初的目标。
写作是我向自己解释自己生活的唯一方式。
A book is a mirror: if an ass peers into it, you can't expect an apostle to look out.
数学的本质在于它的自由。
We are here to add what we can you to life，not to get what we can from it.
人心比山川更险恶，比了解天象更困难。