Jamieson, Fausset & Brown

Simon Peter followed Jesus--Natural though this was, and safe enough, had he only "watched and prayed that he enter not into temptation," as his Master bade him (Mat 26:41), it was, in his case, a fatal step. and . . . another disciple--Rather, "the other disciple"--our Evangelist himself, no doubt. known unto the high priest--(See on Joh 18:10). went in with Jesus into the palace of the high priest.