失去一个父母可能被视为不幸；失去两个则像是疏忽。
"To lose one parent may be regarded as a misfortune; to lose both looks like carelessness."
The most dangerous phrase in business is: 'We've always done it this way.'
真正的教师会保护学生免受他个人影响。他激发自我怀疑。他将他们的目光从自己身上引导到激发他的精神上。他不会有门徒。
The truth does not change according to our ability to stomach it.