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Precious in the sight of God are all who have hearts filled with love, who have abandoned by faith their earthly desires, who seek by hope the Kingdom of Heaven.
That the trial of your faith, being much more precious than of gold that perisheth, though it be tried with fire, might be found unto praise and honour and glory at the appearing of Jesus Christ: 1 Peter 1:7

Though they be few in number, they are the living saints of the Most High God and are the very reason for the existence of the many.
And the LORD shall scatter you among the nations, and ye shall be left few in number among the heathen, whither the LORD shall lead you. Deuteronomy 4:27
Because strait is the gate, and narrow is the way, which leadeth unto life, and few there be that find it. Matthew 7:14

It is for their sake Christ died on the cross as a ransom for their souls because they are so precious in the sight of God.
Even as the Son of man came not to be ministered unto, but to minister, and to give his life a ransom for many. Matthew 20:28
John 15:13  Greater love hath no man than this, that a man lay down his life for his friends.
14  Ye are my friends, if ye do whatsoever I command you.
15  Henceforth I call you not servants; for the servant knoweth not what his lord doeth: but I have called you friends; for all things that I have heard of my Father I have made known unto you.
16  Ye have not chosen me, but I have chosen you, and ordained you, that ye should go and bring forth fruit, and that your fruit should remain: that whatsoever ye shall ask of the Father in my name, he may give it you.
17  These things I command you, that ye love one another.

They have become the Elect, chosen to be the Everlasting Bride of Christ, to be His companions and friends forever and ever.
And then shall he send his angels, and shall gather together his elect from the four winds, from the uttermost part of the earth to the uttermost part of heaven. Mark 13:27

They shall dwell in the House of the Lord and of God's loneliness they shall take away.
(Surely goodness and mercy shall follow me all the days of my life: and I will dwell in the house of the LORD for ever. Psalms 23:6

In that day the Lord shall be exceedingly happy and full of joy.
But rejoice, inasmuch as ye are partakers of Christ's sufferings; that, when his glory shall be revealed, ye may be glad also with exceeding joy. 1 Peter 4:13