KJV:
For which of you, intending to build a tower, sitteth not down first, and counteth the cost, whether he have sufficient to finish it?
NASB:
"For which one of you, when he wants to build a tower, does not first sit down and calculate the cost to see if he has enough to complete it?
KJV:
Here is wisdom. Let him that hath understanding count the number of the beast: for it is the number of a man; and his number is Six hundred threescore and six.
NASB:
Here is wisdom. Let him who has understanding calculate the number of the beast, for the number is that of a man; and his number is six hundred and sixty-six.