译文:亲近贤臣,疏远小人,这是西汉兴盛的原因;亲近小人,疏远贤臣,这是东汉衰败的原因。
The value of a mental process lies in its utility for the organism's adjustment to life.
我们不是在制造汽车,我们是在培养制造汽车的人。