KJV:
But continue thou in the things which thou hast learned and hast been assured of, knowing of whom thou hast learned them;
NASB:
You, however, continue in the things you have learned and become convinced of, knowing from whom you have learned them,
KJV:
And let ours also learn to maintain good works for necessary uses, that they be not unfruitful.
NASB:
Our people must also learn to engage in good deeds to meet pressing needs, so that they will not be unfruitful.
KJV:
Though he were a Son, yet learned he obedience by the things which he suffered;
NASB:
Although He was a Son, He learned obedience from the things which He suffered.
KJV:
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.
NASB:
And they sang a new song before the throne and before the four living creatures and the elders; and no one could learn the song except the one hundred and forty-four thousand who had been purchased from the earth.