There is certainly something in angling that tends to produce a serenity of the mind.

Irving’s remark treats angling not merely as sport but as a mental discipline. The slow pace, repetitive motions, and close attention to water, weather, and small signs in nature encourage patience and quiet observation. In that sense, fishing becomes a practical antidote to agitation: it draws the mind away from social pressures and toward a steady, present-focused awareness. The “serenity” he notes is less a sudden happiness than a settled calm produced by time outdoors, moderated expectations, and the acceptance that success is partly beyond one’s control—an attitude that can generalize to life beyond the riverbank.