For as I was passing by and noticing your idols, I also found an altar, on which was written: TO THE UNKNOWN GOD. Therefore, what you worship in ignorance, this is what I am preaching to you
Other versions
King James Version
For as I passed by, and beheld your devotions, I found an altar with this inscription, TO THE UNKNOWN GOD. Whom therefore ye ignorantly worship, him declare I unto you. English Standard Version
For as I passed along and observed the objects of your worship, I found also an altar with this inscription, 'To the unknown god.' What therefore you worship as unknown, this I proclaim to you.New International Version
For as I walked around and looked carefully at your objects of worship, I even found an altar with this inscription:|sc TO AN UNKNOWN GOD. Now what you worship as something unknown I am going to proclaim to you.