To the men it was a sacrament, 1 Corinthians 10:3,4, but to the beasts it was no holy, but a common thing. So that the elements in the sacraments have no inherent and inseparable holiness, but only a relative holiness with respect to their use, out of which they are unholy and common.
Related Commentaries of Numbers 20:11
Numbers 20:11
11 And Moses lifted up his hand, and with his rod he smote the rock twice: and the water came out abundantly, and the congregation drank, and their beasts also.