The challenge of unifying all forces of nature is one that has driven theoretical physics for decades.
统一自然界所有力的挑战是几十年来推动理论物理学发展的动力之一。
I like crossing the imaginary boundaries people like to draw between scientific fields.
我返老还童了。
Innovation is not about working behind closed doors, but about open collaboration.
To enjoy freedom we have to control ourselves.