The art of education must derive its rules from the science of education.
教育的艺术必须从教育的科学中衍生出其规则。
"The world is full of obvious things which nobody by any chance ever observes."
"Every film is a journey, both for the filmmaker and the audience."
敲响钟声表明投资者何时应该进入或退出市场的想法根本不可信。在这个行业工作了近50年之后,我不知道有谁能成功和始终如一地做到这一点。我什至不认识任何成功和始终如一地做到这一点的人。