Exodus 34:22-24

New Revised Standard Version, Anglicised

²² You shall observe the festival of weeks, the first fruits of wheat harvest, and the festival of ingathering at the turn of the year. ²³ Three times in the year all your males shall appear before the Lord God, the God of Israel. ²⁴ For I will cast out nations before you, and enlarge your borders; no one shall covet your land when you go up to appear before the Lord your God three times in the year.