我们了解到改变对成长是必要的。
A person may cause evil to others not only by his actions but by his inaction, and in either case, he is justly accountable to them for the injury.
我知道我是聪明的,因为我自知无知。
Investing in R&D is investing in the future, and we never hesitate about this.
国家不过是一个阶级对另一个阶级进行压迫的机器。
出处:1876年3月10日,贝尔第一次通过他发明的电话在寝室向在实验室里的助手沃森说的一句话。