Every decision we make underground has an impact above ground—that's the weight we carry.
控制的挑战在于在存在不确定性的情况下使系统工作。
我们如海鸥之与波涛相遇似地,遇见了,走近了。海鸥飞去,波涛滚滚地流开,我们也分别了。
Books are the mirrors of the soul.