The history of all hitherto existing society is the history of class struggles.
一切迄今为止社会的历史都是阶级斗争的历史。
Sustainability isn't a choice anymore—it's the only way forward for our industry.
I’m not afraid of falling, I’m afraid of the fear of falling.
The world has the technology - either available or well advanced in the research pipeline - to feed on a sustainable basis a population of 10 billion people.
Entanglement is not just a curious feature of quantum theory - it is the characteristic trait of quantum mechanics.
"Tennis is a mental game. Everyone is fit, everyone hits great forehands and backhands."