Deuteronomy 16:16-17

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16} “All your males are to appear three times a year^(A) before the Lord your God in the place He chooses: at the Festival of Unleavened Bread, the Festival of Weeks, and the Festival of Booths. No one is to appear before the Lord empty-handed. ^{Tools
17} Everyone must appear with a gift suited to his means, according to the blessing the Lord your God has given you.

Cross references:

A. Deuteronomy 16:16: Exodus 23:14; Exodus 23:17; Exodus 34:23-24; Luke 2:42