James 3:13-18

Who [then] is the wise and understanding person among you? He should show by his good conduct [that he has] deeds of gentleness [stemming] from wisdom.

Mark 7:21-23

For from within, out of people's hearts, proceed evil thoughts, sexual immorality, stealing, murder, extramarital affairs,

Mark 14:27-31

Then Jesus said to His disciples, "All of you will have doubts about me, for it is written [Zech. 13:7], 'I will strike down the shepherd and the sheep will be scattered everywhere.'

Romans 8:7

This is because the one whose mind is [controlled] by the flesh is an enemy of God; for he is not obedient to God's law, and in fact, cannot obey it.

2 Timothy 3:15

And [remember] that, from childhood, you have known the sacred Scriptures which are able to make you wise [enough] to be saved through faith in Christ Jesus.

James 1:5

But if any one of you lacks wisdom, he should pray to God, who gives to everyone generously and does not begrudge [the person who asks], and it will be given to him.

Treasury of Scripture Knowledge

Summary

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

General references

Bible References

But

2 Timothy 3:15
And [remember] that, from childhood, you have known the sacred Scriptures which are able to make you wise [enough] to be saved through faith in Christ Jesus.
James 1:5
But if any one of you lacks wisdom, he should pray to God, who gives to everyone generously and does not begrudge [the person who asks], and it will be given to him.
James 3:13
Who [then] is the wise and understanding person among you? He should show by his good conduct [that he has] deeds of gentleness [stemming] from wisdom.

General references

Matthew 26:70
But he denied [it] in front of all of them, saying, "I do not know what you are talking about."