Proverbs 28:26

²⁴ Whoso robbeth his father or his mother, and saith, It is no transgression; the same is the companion of a destroyer.

²⁵ He that is of a proud heart stirreth up strife: but he that putteth his trust in the LORD shall be made fat.

He that trusteth in his own heart is a fool: but whoso walketh wisely, he shall be delivered.

²⁷ He that giveth unto the poor shall not lack: but he that hideth his eyes shall have many a curse.

²⁸ When the wicked rise, men hide themselves: but when they perish, the righteous increase.

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB: He who trusts in himself is a fool, but one who walks in wisdom will be safe.
KJV: He that trusteth in his own heart is a fool: but whoso walketh wisely, he shall be delivered.
WEB: One who trusts in himself is a fool; but one who walks in wisdom is kept safe.
ASV: He that trusteth in his own heart is a fool; But whoso walketh wisely, he shall be delivered.
DARBY: He that confideth in his own heart is a fool; but whoso walketh wisely, he shall be delivered.
BLB: The one trusting in his heart, he [is] a fool, and the one walking in wisdom, he will be delivered.

ÅB: Den som setter sin lit til sin forstand, han er en dåre; men den som vandrer i visdom, han blir frelst.
OTB: De som stoler på seg selv er dårer, men de som vandrer klokt vil bli holdt trygge.
B1930: Den som setter sin lit til sin forstand, han er en dåre; men den som vandrer i visdom, han blir frelst.

Proverbs 3:5
Trust in the LORD with all thine heart; and lean not unto thine own understanding.
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Jeremiah 17:9
The heart is deceitful above all things, and desperately wicked: who can know it?
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Job 28:28
And unto man he said, Behold, the fear of the Lord, that is wisdom; and to depart from evil is understanding.
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Romans 8:7
Because the carnal mind is enmity against God: for it is not subject to the law of God, neither indeed can be.
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James 1:5
If any of you lack wisdom, let him ask of God, that giveth to all men liberally, and upbraideth not; and it shall be given him.
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2 Timothy 3:15
And that from a child thou hast known the holy scriptures, which are able to make thee wise unto salvation through faith which is in Christ Jesus.
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James 3:13–18
Who is a wise man and endued with knowledge among you? let him shew out of a good conversation his works with meekness of wisdom.
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Mark 7:21–23
For from within, out of the heart of men, proceed evil thoughts, adulteries, fornications, murders,
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