Acts.18.25  He had been instructed in the way of the Lord; and being fervent in spirit, he spoke and taught accurately the things concerning Jesus, though he knew only the baptism of John.
Acts.18.26  He began to speak boldly in the synagogue; but when Priscilla and Aquila heard him, they took him and expounded to him the way of God more accurately.

Hyper-concordance v1.1, by Sean Boisen. Scripture verses taken from the Revised Standard Version, copyright 1952, 1971.