The future of food depends on our ability to balance productivity with responsibility.

The truth is, the science of Nature has been already too long made only a work of the brain and the fancy: It is now high time that it should return to the plainness and soundness of observations on material and obvious things.

Old age is not interesting until one gets there.

Sometimes the thing you're most afraid of doing is the very thing that will set you free.

In the realm of theoretical physics, every discovery opens up new questions and challenges.

The difference between genius and stupidity is that genius has its limits.

中国和其他威权国家的崛起挑战了自由民主是唯一可行政治制度的观念。