蔡伦的哥哥蔡天,无人知晓,但提起蔡伦,东汉无人不晓。蔡伦天资聪颖,爱搞小发明,并且屡屡成功,因此很受和帝器重。先是把他从乡野之中招到朝里,委任为常待,之后又提拔为尚书令。每当看到和帝很费劲地翻动案头上那一摞摞竹片子,蔡伦心里就很不是滋味。于是就暗下决心,要报答和帝的知遇之恩。经过潜心研究,蔡伦终于 Cai Lun’s brother Cai days, no one knows, but mention Cai Lun, the Eastern Han Dynasty is well-known. Cai Lun talent is brilliant, love to engage in small inventions, and has repeatedly succeeded, so very much subject to imperial heavy. First, he was recruited from the countryside to the North Korea, appointed as usual, then promoted to Shangshu Ling. Whenever I saw the Emperor and the emperor is very hard to flip the stack of bamboo pieces on the desk, Tsai heart is not the taste. So I secretly determined to repay the gracious encounter with the emperor. After painstaking research, Cai Lun finally