Technology is anything that wasn't around when you were born.

"The past is always present in our stories, shaping the way we see the future."

统计学的目的是让不可见的事物变得可见。

The most beautiful things in life are free.

这很简单，你只需拿些东西，对它做点什么，然后再做点别的。

【讲解】：我十五岁时开始立志学习，三十岁时能立足与社会，四十岁时能通情达理遇事不再疑惑，五十岁时懂得了天命的道理，六十岁能听的进不同的意见，到了七十岁时已经达到随心所欲，想怎么做就怎么做，也不会超出规矩。