数学家是将咖啡转化为定理的装置。
势利鬼的另一个极端,是你的母亲。
估计问题的性质不同。在这里,我们不关心检验特定的假设,而是关心估计参数的值。
The major problems in biology are not solved by new techniques but by new concepts.
Opera is a way of living life to the fullest, a way of expressing emotions that cannot be expressed in any other way.