A set of katsu in the sense that a person who does mediation deeply and rightly can reach enlightenment early and a person who does not do it can reach it late, is a way of expression to strengthen the practice of mediation rather than studying.
深く正しく坐禅する者は早く、しなければ遅いという意味の一連の喝は、学習よりも坐禅の実践を強調する表現手法である。