在数学中,你不理解事物。你只是习惯了它们。
人一定要懂得“礼”之后才能产生恭敬之心,产生恭敬之心以后才能有所尊敬,有所礼让。
"I try to make my drawings as clear and simple as possible, so that the reader can understand the story without any confusion."