Proverbs 15:26

15:26 The thoughts of the wicked [are] an abomination to the LORD: but [the words] of the pure [are] pleasant words.

Proverbs 24:9

24:9 The thought of foolishness [is] sin: and the scorner [is] an abomination to men.

Mark 7:21-22

7:21 For from within, out of the heart of men, proceed evil thoughts, adulteries, fornications, murders, 7:22 Thefts, covetousness, wickedness, deceit, lasciviousness, an evil eye, blasphemy, pride, foolishness:

Acts 8:20-22

8:20 But Peter said unto him, Thy money perish with thee, because thou hast thought that the gift of God may be purchased with money. 8:21 Thou hast neither part nor lot in this matter: for thy heart is not right in the sight of God. 8:22 Repent therefore of this thy wickedness, and pray God, if perhaps the thought of thine heart may be forgiven thee.