'Learning' in the Bible

Now when they saw that Peter and John were without fear, though they were men of no education or learning, they were greatly surprised; and they took note of them that they had been with Jesus.

But one of the Sanhedrin, a Pharisee named Gamaliel, a man of learning in the law, of whom all the people had a high opinion, got up and made a suggestion for the men to be put outside for a little time.

Now a certain Jew named Apollos, an Alexandrian by birth, and a man of learning, came to Ephesus; and he had great knowledge of the holy Writings.

And when he made his answer in these words, Festus said in a loud voice, Paul, you are off your head; your great learning has made you unbalanced.