数学家是将咖啡转化为定理的装置。
A mathematician is a device for turning coffee into theorems.
The more you know who you are, and what you want, the less you let things upset you.
创新在开放的环境中蓬勃发展。
唯一的罪过是平庸。
在我的国家，要当上总统，得先待过监狱一回。
Certification schemes are the grammar of responsible forestry—they give structure to our good intentions.