The theory of probabilities is at bottom nothing but common sense reduced to calculus.
土地是我们最伟大的老师,我们必须倾听它并向它学习。
The only way to do great work is to love what you do.
交换、交易和互换的倾向普遍存在于所有人之中,而在其他动物种族中找不到。
The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome.
科学是一项协作的努力,重大的发现不会孤立地发生。