统计学是从经验中学习的科学,尤其是从他人的经验中学习。
Live as though you intend to live forever,and work as though your strength were limitless.
解决全球饥饿的关键不仅是提高产量,还要改善营养质量。
我是一个美国黑人,我为我的种族感到骄傲。我为自己是谁感到骄傲。我有许多自豪和尊严。