作家的任务是让不可见之物可见。
检验统计假设的问题由来已久,其起源已不可考。
When you're depressed, It always helps to lean your head on your arm. Arms like to feel useful.
Quality is never an accident; it's the result of intelligent effort and relentless focus.
物理学中的每一个发现都打开了一扇通往新奥秘的门。
我们生活中最重要的大部分事情都在我们不在的时候发生。
我拥有你所想象的最有特权的童年,我有幸在贫困中被抚养长大。
The past is never dead. It's not even past.