Numbers 15:35

32 Now while the children of Israel were in the waste land, they saw a man who was getting sticks on the Sabbath day.

33 And those who saw him getting sticks took him before Moses and Aaron and all the people.

34 And they had him shut up, because they had no directions about what was to be done with him.

35 Then the Lord said to Moses, Certainly the man is to be put to death: let him be stoned by all the people outside the tent-circle.

36 So all the people took him outside the tent-circle and he was stoned to death there, as the Lord gave orders to Moses.

37 And the Lord said to Moses,

38 Say to the children of Israel that through all their generations they are to put on the edges of their robes an ornament of twisted threads, and in every ornament a blue cord;