sit at the feet of
sit at the feet of (someone)
To be in a position of devotion or worship to someone; to pay homage to or be reverential to someone. I've been sitting at the feet of my renowned professor ever since I heard his astounding lecture on quantum mechanics. My brother chose to sit at the feet of the saints for the rest of his life, but I do not intend to pursue such a life of the cloth.
sit at the feet of someone
Fig. to pay homage to someone; to pay worshipful attention to someone. The graduate student sat at the feet of the famous professor for years. I do not intend to sit at the feet of an incompetent for years and years.