2, do not know the truth, live without learning. Author: Lu Chunqiu
Learning is like sailing against the current. If you don't advance, you will retreat. You will be in danger if you don't study. Author: Chen Duxiu
4. learn a bottomless pit and move forward? Confused. Author: Excerpted from the newspaper
You can't learn unless you are quiet. Author: (Three Kingdoms) Zhuge Liang