Genesis 6:5

Then the Lord saw that the wickedness of man was great upon the earth, and that every inclination of the thoughts of his heart was altogether evil all the time.
BSB · Berean Standard Bible
And God saw that the wickedness of man was great in the earth, and that every imagination of the thoughts of his heart was only evil continually.

Note every…: or, the whole imagination: the Hebrew word signifieth not only the imagination, but also the purposes and desires

Note continually: Heb. every day

KJV · King James Version
The Lord saw that the wickedness of man was great on the earth, and that every imagination of the thoughts of man’s heart was continually only evil.
WEB · World English Bible
And Jehovah saw that the wickedness of man was great in the earth, and that every imagination of the thoughts of his heart was only evil continually.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

God
Genesis 13:13; Genesis 18:20, 21; Psalm 14:1–4; Psalm 53:2; Romans 1:28–31; Romans 3:9–19
every imagination
or, the whole imagination. The Hebrew word signifies not only the imagination, but also the purposes and desires.
Genesis 8:21; Deuteronomy 29:19; Job 15:16; Proverbs 6:18; Ecclesiastes 7:29; Ecclesiastes 9:3; Jeremiah 17:9; Ezekiel 8:9, 12; Matthew 15:19; Mark 7:21–23; Ephesians 2:1–3; Titus 3:3
thoughts
Jeremiah 4:14