差之毫厘, 谬以千里

差之毫厘, 谬以千里 [chā zhī háo lí miù yǐ qiān lǐ]

1. ■ An error， the breadth of a single hair, can lead you a thousand li astray.; A little error may lead to a large discrepancy.; A miss is as good as mile.; One false step will make a great difference.; One false move may lose the game.; A slight discrepancy leads to a gigantic error.; A minimal deviation results in wide divergence.