'Ages' in the Bible

That in the ages to come he might shew the exceeding riches of his grace in his kindness toward us through Christ Jesus.

Which in other ages was not made known unto the sons of men, as it is now revealed unto his holy apostles and prophets by the Spirit;

Unto him be glory in the church by Christ Jesus throughout all ages, world without end. Amen.

Even the mystery which hath been hid from ages and from generations, but now is made manifest to his saints: