Psalms 118:20

“This gate of the Lord, into which the righteous shall enter.] This seems to be spoken by some other person or persons, distinct from David and the Messiah, pointing at some particular and principal gate, upon hearing the above word: by which is meant, not the gate of the house of the sanctuary of the Lord, as the Targum; but the Messiah himself, afterwards spoken of as the stone rejected by the builders, and made the head of the corner; who is the way of access to God; the door into the church or sheepfold; the strait gate that leads to eternal life; by which none but righteous persons enter into heaven; even such who are made righteous, through the imputation of his righteousness to them;…”

“This gate of the Lord - This gate dedicated to the service of the Lord; that belongs to the house of the Lord. Into which the righteous shall enter - Through which the righteous pass. That is, It is for such persons, and all who come with a purpose to serve and worship God should be permitted to pass through them; I claim the privilege, therefore, of so passing through these gates into the house of God, for I come to praise him. All who are truly righteous, all who desire to worship God, all who wish and purpose to be holy, have a right thus to enter the house of God - to be recognized as his friends - to be permitted to join in all the devotions of his people; all such will have a right to…”

“The righteous - As David was a type of Christ and the temple of heaven, so this place hath a farther prospect than David, and relates to Christ's ascending into heaven, and opening the gates of that blessed temple, both for himself and for all believers. Psalms 118:22”

“This gate: Dr. Kennicott supposes that this verse was sung by the priest, the Psa 118:21 by the king, the Psa 118:22 by a chorus of people, the Psa 118:25 by the king, the Psa 118:26 by the priest, the Psa 118:28 by the king, and Psa 118:29 the grand chorus of the whole assembly. Psa 24:3, Psa 24:4, Psa 24:7, Psa 24:9; Isa 26:2, Isa 35:8-10; Rev 21:24-27, Rev 22:14, Rev 22:15 Psalms 118:21”