The only limits that exist are the ones in your mind.
唯一存在的限制是你心中的限制。
Life is too short to waste time on things that don't make you happy.
过去总是与我们同在,因为它滋养着现在。
晏子春秋
置信区间理论提供了一种不同于点估计和假设检验的估计未知参数的方法。