《隋书·列传·卷四十》
何妥又上密奏给皇上，指陈得失，大抵说的是时政得失，并指责当时的朋党。
妥复上封事，指陈得失，大抵论时政损益，并指斥当世朋党。
He Tuo submitted a confidential memorial to the emperor, explaining the advantages and disadvantages. He talked about current political affairs and accused the current partisanship.