Deuteronomy 22:4

Thou shall not see thy brother's ox or his ass fall down by the
way
And lie under his burden, not being able to rise with it of himself, nor with all the assistance about it, without further help:

and hide thyself from them;
cover thine eyes, or turn them another way, and make as if thou didst not see them in distress:

thou shalt surely help him to lift them up again;
that is, help the brother and owner of it, the ox and ass; assist him in getting them up again, and lay on their burden, and fasten them aright, which either were rolled off by the fall, or were obliged to be taken off in order to raise them up; and if this was to be done for an enemy, then much more for a brother, as is required, (See Gill on Exodus 23:5), or "lifting up, thou shall lift them up with him" ^F4; that is, most certainly do it, and lift with all his strength, and as often as there is occasion; if they fell down again after raised up, help is still to be continued, even, as Maimonides ^F5 says, though it was an hundred times.