Charles Ellicott Commentary John 18:8

"Jesus answered, I told you that I am [he]; if therefore ye seek me, let these go their way:" — John 18:8 (ASV)

If therefore you seek me, let these go their way.—It may be that some of the Roman cohort, not knowing Jesus, were already laying hands on the disciples. In any case, they are exposed to this danger, and the Good Shepherd, who Himself goes forth to meet the danger, will shield the flock from it.