Numbers 20:12-14

¹²And the Lord said to Moses and Aaron: Because you have not believed me, to sanctify me before the children of Israel, you shall not bring these people into the land, which I will give them.

¹³This is the Water of contradiction, where the children of Israel strove with words against the Lord, and he was sanctified in them.

¹⁴In the mean time Moses sent messengers from Cades to the king of Edom, to say: Thus saith thy brother Israel: Thou knowest all the labour that hath come upon us: