Reflect upon your present blessings, of which every man has plenty; not on your past misfortunes, of which all men have some.
思考你现在的幸福,每个人都有很多;而不是过去的苦难,每个人都会有一些。
The trade-off between bias and variance is a fundamental concept in machine learning.
一生中成功投资所需的就是几个大赢家,这些赢家的收益将远远超过那些不成功的股票的损失。