Exodus 23:16; Exodus 23:19

16 “Celebrate the Festival of Harvest with the firstfruits of the crops you sow in your field. “Celebrate the Festival of Ingathering at the end of the year, when you gather in your crops from the field.

19 “Bring the best of the firstfruits of your soil to the house of the LORD your God. “Do not cook a young goat in its mother’s milk.