In times of change, the learners inherit the earth while the learned find themselves beautifully equipped to deal with a world that no longer exists.
The biggest risk is not taking any risk.
马克思的功绩在于他忽然在社会思想史上产生了一个质的变化。他解释历史,理解其动力,预测未来,但除了预测之外,他还表达了一个革命性的概念:世界不仅必须被解释,还必须被改变。