'Learn' in the Bible

Take note, I will make those of the synagogue of Satan, who say that they are Jews and are not, but lie—I will make them come and bow down at your feet and make them know [without any doubt] that I have loved you.

And they sung as it were a new song before the throne, and before the four beasts, and the elders: and no man could learn that song but the hundred and forty and four thousand, which were redeemed from the earth.