朋友比钱更好。几乎所有金钱能做的事情,朋友都能做得更好。在许多方面,有一个有船的朋友比自己有一艘船要好。
People can cry much easier than they can change.
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。
解析:善恶由心生,非由外物定。
"A book is a mirror: if an ape looks into it, an apostle is hardly likely to look out."
Never underestimate the power of small, consistent improvements.