From 《
晋书·
杜预传》. Before the final campaign against Wu, Jin general Du Yu (
杜预) rallied his officers: '
今兵威已振,譬如破竹,数节之后,皆迎刃而解' - 'our momentum is like splitting bamboo: after the first few joints, the rest splits at the touch of the blade.' Wu fell shortly after.