大自然倾向于在她所有的作品中产生恒常性，但并不总是成功。

The most challenging designs often lead to the most rewarding results.

技术的力量在于它能够普及心理健康服务的可及性。

I’m a great believer in solving hard problems by using a checklist. You need to get all the likely and unlikely answers before you; otherwise it’s easy to miss something important.

绩效标准必须是零缺陷。不是“差不多就行了”。

Genetically modified technology is an important direction for future agricultural development, we should view it scientifically and rationally.