After it a voice, i.e. after the lightning. For though the thunder be in order of nature before the lightning, yet the lightning is seen before the thunder is heard. With the voice of his excellency, or, with his excellent, or high, or lofted voice, both loud and full of majesty and awfulness. He will not stay; or, delay. Heb. take them by the heel, as Jacob did Esau in the womb, to delay or stop him from entering into the world before him. Them; either,
1. The lightnings spoken of in the beginning of the verse. But these do not stay till his voice be heard, but come before it. Or rather,
2. The rains and storms, of which he spoke before, and will speak again, Job 37:6.