must we fetch] By this question he seemeth to bewray some distrust of such a supply of drinke, as he did of supply of flesh, Numbers 11:22,23. and what is probable of him by this verse is charged upon him and Aaron both, vers. 12. & vers. 24. The errours of Moses in this particular passage are conceived by some to be 1 his immoderate anger: 2 his speaking to the people, when he should have spoken to the rock, ver. 8. 3 his smiting of it when he should only have spoken to it with the rod in his hand, or stretched it towards it; and smiting it twice as in a pang of passion; but others excuse him, and say, he did not know whether God promised water upon condition they would cease from murmuring: but the next words shew that both he and Aaron were in fault.