I must study politics and war that my sons may have liberty to study mathematics and philosophy.
我必须研究政治和战争，以便我的儿子们可以自由地研究数学和哲学。
在量子引力的领域，时空的结构是由纠缠的线编织而成的。
I don’t need approval, I need results.
Exploring the topological aspects of materials is not just about understanding their current properties, but also about predicting and designing new functionalities.
The internet should be for everyone - it's too important to leave anyone behind.
Peace is not the absence of war, but the triumph of justice.
The best thing about getting older is that you don't lose all the other ages you've been.
Be brave, take risks, nothing can substitute experience.
