'Foundations' in the Bible

and suddenly there was a great earthquake, so that the foundations of the prison-house were shaken: and immediately all the doors were opened, and every one's bands were loosed.

for he looked for the city which hath the foundations, whose builder and maker is God.

And the wall of the city had twelve foundations, and on them twelve names of the twelve apostles of the Lamb.

The foundations of the wall of the city were adorned with all manner of precious stones. The first foundation was jasper; the second, sapphire; the third, chalcedony; the fourth, emerald;