The meaning of this poem is: Every midnight is the best time for boys to study.

Encouraging Learning is an ancient poem by Yan Zhenqing, a poet in the Tang Dynasty. Encourage young people to cherish their youth. When they are young, they should know how to study hard and make a difference. Otherwise, it will be too late to study when they are old, and it will be too late to regret. They should cherish time. Let children understand that life is short, so as to improve their enthusiasm for learning.