Jamieson, Fausset and Brown on John 18:4-9

4-9. Jesus ... knowing all things that should come--were coming.

upon him, went forth--from the shade of the trees, probably, into open view, indicating His sublime preparedness to meet His captors.

Whom seek ye?--partly to prevent a rush of the soldiery upon the disciples [Bengel]; and see Mr 14:51, 52, as showing a tendency to this: but still more as part of that courage and majesty which so overawed them. He would not wait to be taken.