你不能像那个站在水滑梯顶端过度思考的孩子。你必须滑下去。
Marine conservation is not a constraint on business—it's the foundation of lasting business.
In bad times, which are coming soon, it is better to die than to live.
Mental phenomena are best understood as bridges between environmental demands and organismic responses.
学习数学的唯一方法就是做数学。