Christian must be wise

They are to ask God for wisdom:

James 1:5

If any of you lacks wisdom, he should ask God, who gives generously to all without finding fault, and it will be given to him.

They are to have the spirit of wisdom:

Ephesians 1:17

I keep asking that the God of our Lord Jesus Christ, the glorious Father, may give you the Spirit of wisdom and revelation, so that you may know him better.

They are to have the knowledge of his will in all wisdom:

Colossians 1:19

For God was pleased to have all his fullness dwell in him,

They are to be taught in all wisdom:

Colossians 1:28

We proclaim him, admonishing and teaching everyone with all wisdom, so that we may present everyone perfect in Christ.

They are to be wise unto that which is good:

Revelation 16:19

The great city split into three parts, and the cities of the nations collapsed. God remembered Babylon the Great and gave her the cup filled with the wine of the fury of his wrath.

They are to walk wisely towards outsiders:

Colossians 4:5

Be wise in the way you act toward outsiders; make the most of every opportunity.

They are to make known their works in meekness of wisdom:

James 3:13

Who is wise and understanding among you? Let him show it by his good life, by deeds done in the humility that comes from wisdom.