'Foundation' in the Bible

But if I should be delayed, I have written so that you will know how people ought to act in God’s household, which is the church of the living God, the pillar and foundation of the truth.

Impress on those who are rich in the present age that they must not be haughty nor set their hopes on riches--that unstable foundation--but on God who provides us richly with all things for our enjoyment.

Laying up in store for themselves a good foundation against the time to come, that they may lay hold on eternal life.