【释义】处于安乐之境要想到危险,想到了就有准备,有准备就能避免祸患。
预测未来的最好方法就是创造未来。
心理学家必须是一个冷静的观察者。
"The truth is rarely pure and never simple."
"A great book is one that leaves you changed, with a new perspective on life and a deeper understanding of the human condition."