'Base' in the Bible

And base things of the world, and things which are despised, hath God chosen, yea, and things which are not, to bring to nought things that are:

In the measure of the grace given to me, I, as a wise master-builder, have put the base in position, and another goes on building on it. But let every man take care what he puts on it.

For there is no other base for the building but that which has been put down, which is Jesus Christ.

But on the base a man may put gold, silver, stones of great price, wood, dry grass, cut stems;