"Courage is not the absence of fear, but the will to act in spite of it."
最终,我们记住的不是敌人的话语,而是朋友的沉默。
在变革时期,学习者将继承地球,而知识渊博的人会发现自己装备精良却面对一个不复存在的世界。
"Behavior cannot be divorced from its adaptive context."