Later, during the Eastern Han dynasty (25-220 A.D.) Ma Yuan become a famous and successful general. People used the expression "stronger with age" to describe a person advanced in years but still hale and hearty. (tr.
後來馬援在東漢時任職將軍，建立了不少功勞，因此後人用「老當益壯」來形容年紀雖老但志氣更壯。