The most successful people are those who are good at plan B.
The future of liberal democracy depends on its ability to address the challenges of inequality and political polarization.
在量子力学中,观察者与被观察的系统并不是分离的。
No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.