Learn from the sea without cliffs and work hard.
Learning less is like sunrise.
Every day when the cock crows, it is the best time for boys to read. Teenagers only know how to play, but don't know how to study hard. When they are old, they regret why they didn't know how to study hard when they were young.
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Yan Zhenqing, I hope it helps you. o(∩_∩)o~