2. People's thoughts are amazing. As long as they concentrate on a certain cause, they are bound to achieve amazing results. Mark? between the two
Only by concentrating on your study can you get twice the result with half the effort. —— Cai Yuanpei
4, persistent pursuit and get the greatest happiness, is the winner. Thoreau
5. Mencius said: "The number of games today is decimal; If you don't concentrate, you can't do it. " -"Mencius Gaozi Shang"
Mencius said: "Playing chess is only a small skill, and you can't learn it without concentration."
6, science is very jealous, science only gives the highest grace to those who devote themselves to science. Feuerbach
7. One person can't ride two horses. If you ride this, you will lose that. Smart people will put aside all distractions and concentrate on learning only one subject. If he studies a subject, he must learn it well. -Goethe