Job 38:22

but here his good treasure, as appears by what follows, is his treasure of rain. In the Targum of Jonathan it is said,"there are four keys in the hand of the Lord of the whole world, which he does not deliver into the hands of any prince; the keys of life, and of the grave, and of food, and of rain:''the heaven, to give the rain unto thy land in its season; that is, he will open the heaven, where his good treasure of rain is laid up, and bring it forth or, the land of Canaan for the enriching of it; or will open the windows thereof, and pour down the blessing; see Mal 3:10; and that at the proper time, both in autumn and spring, the one is called the former, and the other the latter rain; the one was in Marchesvan, or October, and the other in Nisan, or March, as the Targum of Jonathan; the former rain for the fitting the earth for seed, or for watering it when sown, and the latter for the plumping of it before harvest:and to bless all the work of thine hand; in agriculture, for without the blessing of rain, all the labour of the husbandman would be to little purpose:and thou shall lend unto many nations, and thou shall not borrow;See Gill on "De 15:16".