KJV:
Take heed, brethren, lest there be in any of you an evil heart of unbelief, in departing from the living God.
NASB:
Take care, brethren, that there not be in any one of you an evil, unbelieving heart that falls away from the living God.
KJV:
So we see that they could not enter in because of unbelief.
NASB:
So we see that they were not able to enter because of unbelief.
KJV:
Not forsaking the assembling of ourselves together, as the manner of some is; but exhorting one another: and so much the more, as ye see the day approaching.
NASB:
not forsaking our own assembling together, as is the habit of some, but encouraging one another; and all the more as you see the day drawing near.
KJV:
Now faith is the substance of things hoped for, the evidence of things not seen.
NASB:
Now faith is the assurance of things hoped for, the conviction of things not seen.
KJV:
Through faith we understand that the worlds were framed by the word of God, so that things which are seen were not made of things which do appear.
NASB:
By faith we understand that the worlds were prepared by the word of God, so that what is seen was not made out of things which are visible.
KJV:
By faith Noah, being warned of God of things not seen as yet, moved with fear, prepared an ark to the saving of his house; by the which he condemned the world, and became heir of the righteousness which is by faith.
NASB:
By faith Noah, being warned by God about things not yet seen, in reverence prepared an ark for the salvation of his household, by which he condemned the world, and became an heir of the righteousness which is according to faith.
KJV:
See that ye refuse not him that speaketh. For if they escaped not who refused him that spake on earth, much more shall not we escape, if we turn away from him that speaketh from heaven:
NASB:
See to it that you do not refuse Him who is speaking. For if those did not escape when they refused him who warned them on earth, much less will we escape who turn away from Him who warns from heaven.
KJV:
Seest thou how faith wrought with his works, and by works was faith made perfect?
NASB:
You see that faith was working with his works, and as a result of the works, faith was perfected;
KJV:
Look to yourselves, that we lose not those things which we have wrought, but that we receive a full reward.
NASB:
Watch yourselves, that you do not lose what we have accomplished, but that you may receive a full reward.
KJV:
Saying, I am Alpha and Omega, the first and the last: and, What thou seest, write in a book, and send it unto the seven churches which are in Asia; unto Ephesus, and unto Smyrna, and unto Pergamos, and unto Thyatira, and unto Sardis, and unto Philadelphia, and unto Laodicea.
NASB:
saying, "Write in a book what you see, and send it to the seven churches: to Ephesus and to Smyrna and to Pergamum and to Thyatira and to Sardis and to Philadelphia and to Laodicea."