Jesus has something to say to Mandela Bible changed believers regarding Malachi 4:2

Mandela Bible changed believers claim that Malachi 4:2 should read "SON" instead of "SUN" that is in The Bible. Their memory is what they are standing on however The Bible has something to say and Jesus Himself demonstrates their error in Matthew 5:45 and if you tie that to Hebrews 6 then you can see the ominous judgment upon Mandela Bible changed believers.

Malachi 4:1-2 YLT  For, lo, the day hath come, burning as a furnace, And all the proud, and every wicked doer, have been stubble, And burnt them hath the day that came, Said Jehovah of Hosts, That there is not left to them root or branch,  (2)  And risen to you, ye who fear My name, Hath the sun of righteousness—and healing in its wings, And ye have gone forth, and have increased as calves of a stall.

Matthew 5:43-48 YLT  'Ye heard that it was said: Thou shalt love thy neighbour, and shalt hate thine enemy;  (44)  but I—I say to you, Love your enemies, bless those cursing you, do good to those hating you, and pray for those accusing you falsely, and persecuting you,  (45)  that ye may be sons of your Father in the heavens, because His sun He doth cause to rise on evil and good, and He doth send rain on righteous and unrighteous.  (46)  'For, if ye may love those loving you, what reward have ye? do not also the tax-gatherers the same?  (47)  and if ye may salute your brethren only, what do ye abundant? do not also the tax-gatherers so?  (48)  ye shall therefore be perfect, as your Father who is in the heavens is perfect.

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All Bible references are in the YLT or Young's Literal Translation of The Bible