In energy, as in life, the only constant is change.

The future of computing lies in the development of systems that can verify their own correctness.

The key to making money in stocks is not to get scared out of them.

A proof tells us where to concentrate our doubts.

The United States is experiencing a crisis of political decay, with institutions that are increasingly dysfunctional and unable to address the country's challenges.

有些东西是很难找到的。

矿工的头盔不仅保护头部——它还象征着辛勤工作的尊严。