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教师必须具有健康的体魄,农人的身手,科学的头脑,艺术的兴味,改革社会的精神。
"In every story, there is a hidden truth waiting to be uncovered by the reader."
"Think wrongly, if you please, but in all cases, think for yourself."
The greatest theorems often start as simple conjectures, born out of intuition.