The best investment you can make is in yourself.
你能做的最好的投资就是投资自己。
艺术应当提升灵魂,而不仅仅是取悦感官。
如果没有冬天的寒冷来赋予它甜蜜,夏天的温暖又有什么意义呢?
The true teacher defends his pupils against his own personal influence.
赏析:通过忘记脚、忘记腰、忘记是非纠纷来说明内心的舒适和自在,强调了要放下杂念和纷争,保持内心的平静。
从n对观测值的样本中获得的相关系数的可能误差是sqrt((1-r²)/(n-2))。