《周书·列传·卷二十三》
苏绰每次与公卿议论，从白天到晚上，事情无论大小，都好像在手掌上筹划一样。
每与公卿议论，自昼达夜，事无巨细，若指诸掌。
Every time Su Chuo discussed with the ministers, from day to night, the size of things, it was as if he was planning in the palm of his hand.