安全是我们所有作业中的首要任务。
The world needs science, and science needs the world.
父母死气沉沉的生活对周围人特别是自己孩子的影响,是无与伦比的。
In science, we must be open to the possibility that our most cherished theories could be wrong.
The real conflict is between the rights of the individual and those of society.
Make stuff that is good for people to have.