KJV:
Behold, I come quickly: blessed is he that keepeth the sayings of the prophecy of this book.
NASB:
"And behold, I am coming quickly. Blessed is he who heeds the words of the prophecy of this book."
KJV:
Then saith he unto me, See thou do it not: for I am thy fellowservant, and of thy brethren the prophets, and of them which keep the sayings of this book: worship God.
NASB:
But he said to me, "Do not do that. I am a fellow servant of yours and of your brethren the prophets and of those who heed the words of this book. Worship God."