Verse 6 specifically applies to us: that if we don't harden our hearts, that we repent and come unto him and be baptized and know the doctrine, we will be adopted into the House of Israel.
It is interesting that throughout this chapter, Jesus is very clear about whose plan it was: His and our Father in Heaven's plan. Jesus plays a part- an intricate and necessary part- of that plan, but it is the Father's wisdom and plan. (vv 3, 4, 6, 7, 9, 11, 20, 27, 29)
Also of note: Verse 9, the Savior talks about the Restoration of the gospel., and that the Father will bring about the restoration for the sake of Jesus Christ. (His words were "for my sake")
Now, the restoration was for our sake, wasn't it? I mean, we benefit from it: from the truths taught, the ordinances offered, the revelation given? So, why did He say "for my sake."
I don't have any official talk or scripture to site- just my own opinion. Perhaps it is because He asked because He loves us and wants to give us all one more chance.
The Savior performed His Atonement nearly two thousand years ago. He suffered the pains and paid the price of the sins of EVERY person that ever has, does now, and ever will exist on this earth.
That is a HUGE HUGE HUGE sacrifice and undertaking. My 12-size font CANNOT express, nor can my little brain truly understand the magnitude and meaning of it all. Mybe someday.
I know, on my own mortal level, that He did that for everyone. BUT- it only counts when the individuals He atoned for acknowledge and accept the Atonement.
Meaning- those that don't believe in Him will never have that atoning price of their sins taken care of. They pay for their sins the rest of their lives- even through eternity if they continue to deny Him. That means the suffering Christ went through in the Garden and on the cross for them was in vain.
Here's the key: The more people learn of the Savior, the more people accept and take advantage of the Atonement He has already performed and is actively offering to us.
He wanted everyone to be happy.
That says it all.