领导力在于以同情心和远见做出艰难的决定。
实现不可能的唯一方法是相信它是可能的。
A good book should make you laugh, cry, and think.
The writer is either a practicing recluse or a delinquent, guilt-ridden one.
The purpose of statistical methods is to provide a rational basis for drawing conclusions from data.
统计方法的目的是为从数据中得出结论提供合理的基础。