Deuteronomy 8:17-18 -

The blessing in store for them was God's free gift to them; and when they came to enjoy it they were not to allow themselves to say in their heart , i . e . to think or imagine, that the prosperous condition in which they were placed was the result of their own exertions; they were to ascribe all to God's gracious bounty, for from him had come the power by which prosperity had been gained, and this he had given, not on account of any merit in them, but that he might fulfill his covenant engagements to their fathers. Get wealth עָשָׂה חַיִל , to make strength, to gather substance ( Genesis 12:5 ), to procure wealth. As it is this day. "As was quite evident then, when the establishment of the covenant had already commenced, and Israel had come through the desert to the border of Canaan (see Deuteronomy 4:20 )" (Keil).