《贞观政要·卷十·论慎终》
但是我十八岁就起兵征战，二十四岁就平定了天下，二十九岁就做了天子，这是当今武功胜过古代的缘故。
但朕年十八便举兵，年二十四定天下，年二十九升为天子，此则武胜于古也。
But I started an army at the age of 18, settled the world at the age of 24, and became the emperor at the age of 29. This is because the martial arts today are better than the ancients.