Ang hindi (marunong) lumingon sa pinanggalingan, di makararatíng sa paroroonan.
In English, He who does not (know how to) look back at his past (where he came from) will not reach his destination.
Jokingly, He who does not (know how to) look back at his past (where he came from) has a stiff neck.
May be true in some aspect but not biblical. Looking back will lead no one anywhere.
Gal 4:9 But now, after that ye have known God, or rather are known of God, how turn ye again to the weak and beggarly elements, whereunto ye desire again to be in bondage?
Saint Paul never looked back at the way of his life in the past with the Jews' religion where he persecuted the church of God, and ravaged it:
Phil 3:13 Brethren, I count not myself to have apprehended: but this one thing I do, forgetting those things which are behind, and reaching forth unto those things which are before,
When God rained on Sodom and on Gomorrah sulfur and fire from out of the sky, the wife of Lot looked back from behind him, and became a pillar of salt.
Gen 19:26 But his wife looked back from behind him, and she became a pillar of salt.
Moses never looked back at the status once he belong. Leaving the comfort and power being the son of Pharaoh's daughter.
For we were once darkness, but are now light in the Lord. Walk now as children of light and never look back.Heb 11:24 By faith Moses, when he was come to years, refused to be called the son of Pharaoh's daughter;
Heb 11:25 Choosing rather to suffer affliction with the people of God, than to enjoy the pleasures of sin for a season;
Heb 11:26 Esteeming the reproach of Christ greater riches than the treasures in Egypt: for he had respect unto the recompence of the reward.
Heb 11:27 By faith he forsook Egypt, not fearing the wrath of the king: for he endured, as seeing him who is invisible.
1 Pet 2:9 But ye are a chosen generation, a royal priesthood, an holy nation, a peculiar people; that ye should shew forth the praises of him who hath called you out of darkness into his marvellous light;Truly, it's nice remembering the lust of the flesh. But those things which were once profit to me, I gave up for Christ.
Phil 3:8 Yea doubtless, and I count all things but loss for the excellency of the knowledge of Christ Jesus my Lord: for whom I have suffered the loss of all things, and do count them but dung, that I may win Christ,