Psalm 139:4

4 Before a word is on my tongue you, LORD, know it completely.

Read Psalm 139:4 Using Other Translations

For there is not a word in my tongue, but, lo, O LORD, thou knowest it altogether.
Even before a word is on my tongue, behold, O LORD, you know it altogether.
You know what I am going to say even before I say it, LORD .