It is not what we learn in conversation that enriches us. It is the elation that comes of swift contact with tingling currents of thought. It is the opening of our mental pores, and the stimulus of marshaling our ideas in words, of setting them forth as gallantly and as graciously as we can.
Bio: Hillel, son of Gamaliel III, was a Jewish scholar in the 3rd century CE. He was son of Gamaliel III, brother of Judah II, and probably a pupil of his grandfather Judah I.