Ellicott's Commentary for English Readers - John 21:3
(3) Simon Peter saith unto them, I go a fishing.—The words are the vivid representation by an ear-witness of what actually took place as they re turned to their ordinary work during the interval between the Passover and Pentecost. It does not express either an abandonment of their higher vocation, or an expectation of the presence of the Lord. The picturesque colouring of the whole scene is quite in St. John’s style, as is also the simple co-ordinate arrangement of sentences without connecting... read more
John Dummelow's Commentary on the Bible - John 21:1-25
Supplementary1-25. Appendix. The Gospel is brought to a definite close, its contents are reviewed, and its purpose stated in John 20:30, John 20:31. The present chapter is therefore probably an appendix added at a later time, but (since all MSS and versions contain it) before the Gospel had been extensively copied, or had passed into general circulation. There is good reason for supposing that it is by the same author as the Gospel. For (1) the style is identical. For example, there is a... read more