11 And thou hast rejoiced before Jehovah thy God, thou, and thy son, and thy daughter, and thy man-servant, and thy handmaid, and the Levite who 'is' within thy gates, and the sojourner, and the fatherless, and the widow, who 'are' in thy midst, in the place which Jehovah thy God doth choose to cause His name to tabernacle there, 12 and thou hast remembered that a servant thou hast been in Egypt, and hast observed and done these statutes. 13 'The feast of booths thou dost make for thee seven days, in thine in-gathering of thy threshing-floor, and of thy wine-vat; 14 and thou hast rejoiced in thy feast, thou, and thy son, and thy daughter, and thy man-servant, and thy handmaid, and the Levite, and the sojourner, and the fatherless, and the widow, who 'are' within thy gates. 15 Seven days thou dost feast before Jehovah thy God, in the place which Jehovah doth choose, for Jehovah thy God doth bless thee in all thine increase, and in every work of thy hands, and thou hast been only rejoicing. 16 'Three times in a year doth every one of thy males appear before Jehovah thy God in the place which He doth choose—in the feast of unleavened things, and in the feast of weeks, and in the feast of booths; and they do not appear before Jehovah empty;
Matthew Henry's Commentary on Deuteronomy 16:11-16
Commentary on Deuteronomy 16:1-17
(Read Deuteronomy 16:1-17)
The laws for the three yearly feasts are here repeated; that of the Passover, that of the Pentecost, that of Tabernacles; and the general law concerning the people's attendance. Never should a believer forget his low estate of guilt and misery, his deliverance, and the price it cost the Redeemer; that gratitude and joy in the Lord may be mingled with sorrow for sin, and patience under the tribulations in his way to the kingdom of heaven. They must rejoice in their receivings from God, and in their returns of service and sacrifice to him; our duty must be our delight, as well as our enjoyment. If those who were under the law must rejoice before God, much more we that are under the grace of the gospel; which makes it our duty to rejoice evermore, to rejoice in the Lord always. When we rejoice in God ourselves, we should do what we can to assist others also to rejoice in him, by comforting the mourners, and supplying those who are in want. All who make God their joy, may rejoice in hope, for He is faithful that has promised.