Extended data
words explanation
1, studying hard: a metaphor for studying hard.
"The Warring States Policy, Qin Ce I": (Su Qin) Being sleepy while studying, he was tempted to stab himself. "
Su Qin stabbed himself in the thigh with an awl when he was about to fall asleep.
2. Fireflies Covered with Snow: Snow: A Study of Sun Kang and Xue Ying in the Southern Dynasties. Yeast: Che Yin in Jin Dynasty put fireflies in his pocket and read them with fluorescence. Describe studying hard.
From the record of "Business Tour"; Capsule fireflies, Che Yin in Jin Dynasty put fireflies in his pocket and read books by fluorescence, from Biography of Jin Shu and Che Yin.
3. Kuang Heng cut the wall: Later, he took it as the standard of studying hard.
"Miscellanies of Xijing" Volume II: The word childish Gui. Study hard without candles. Your neighbor has candles but can't catch them. Balance is to send its light through the wall and read it with a book that reflects the light. "
Vernacular translation: Kuang Heng, with a childish word, is eager to learn without a candle. His neighbor had candles, but they couldn't light them, so Kuang Heng cut through the wall and let the light pass through the wall. Kuang Heng studied with this lamp.
4. Learning is boring and tiring: stupid people can succeed as long as they study hard.
Yan Zhitui's Yan Family Instructions in the Northern Qi Dynasty: "It is better to be proficient in learning than to be dull in learning."
Vernacular translation: Stupid people can succeed as long as they study hard.
5. Study hard and practice hard: study hard and train hard.
Qin Mu's "The Secret": "After listening to it, my son never dared to take shortcuts by luck. After real efforts, he finally became a calligrapher. "