American Standard Version
And all that heard them laid them up in their heart, saying, What then shall this child be? For the hand of the Lord was with him.

Berean Study Bible
And all who heard this wondered in their hearts and asked, “What then will this child become?” For the Lord’s hand was with him.

Douay-Rheims Bible
And all they that had heard them laid them up in their heart, saying: What an one, think ye, shall this child be? For the hand of the Lord was with him.

English Revised Version
And all that heard them laid them up in their heart, saying, What then shall this child be? For the hand of the Lord was with him.

King James Bible
And all they that heard them laid them up in their hearts, saying, What manner of child shall this be! And the hand of the Lord was with him.

World English Bible
All who heard them laid them up in their heart, saying, "What then will this child be?" The hand of the Lord was with him.

Young's Literal Translation
and all who heard did lay them up in their hearts, saying, 'What then shall this child be?' and the hand of the Lord was with him.

Luke 1:66 Additional Translations ...