Numbers 15:30-40

30 But whoever acts high-handedly, whether a native or an alien, affronts the Lord, and shall be cut off from among the people.
31 Because of having despised the word of the Lord and broken his commandment, such a person shall be utterly cut off and bear the guilt.
32 When the Israelites were in the wilderness, they found a man gathering sticks on the sabbath day.
33 Those who found him gathering sticks brought him to Moses, Aaron, and to the whole congregation.
34 They put him in custody, because it was not clear what should be done to him.
35 Then the Lord said to Moses, "The man shall be put to death; all the congregation shall stone him outside the camp."
36 The whole congregation brought him outside the camp and stoned him to death, just as the Lord had commanded Moses.
37 The Lord said to Moses:
38 Speak to the Israelites, and tell them to make fringes on the corners of their garments throughout their generations and to put a blue cord on the fringe at each corner.
39 You have the fringe so that, when you see it, you will remember all the commandments of the Lord and do them, and not follow the lust of your own heart and your own eyes.
40 So you shall remember and do all my commandments, and you shall be holy to your God.