'Minds' in the Bible

And it seems right to me, as long as I am in this tent of flesh, to keep your minds awake by working on your memory;

This second epistle, beloved, I now write unto you; in both which I stir up your pure minds by way of remembrance:

But in taking this view they put out of their minds the memory that in the old days there was a heaven, and an earth lifted out of the water and circled by water, by the word of God;