Psalm 15:2

The one whose walk is blameless, who does what is righteous, who speaks the truth from their heart; ...

The one whose walk is blameless 
Genesis 6:9  This is the account of Noah and his family. Noah was a righteous man, blameless among the people of his time, and he walked faithfully with God.
Psalm 18:32  It is God who arms me with strength and keeps my way secure.
Ephesians 1:4a  For he chose us in him before the creation of the world to be holy and blameless in his sight.
1 Thessalonians 3:13  May he strengthen your hearts so that you will be blameless and holy in the presence of our God and Father when our Lord Jesus comes with all his holy ones.
Titus 1:6  An elder must be blameless, faithful to his wife, a man whose children believe and are not open to the charge of being wild and disobedient.

who speaks the truth from their heart 
Proverbs 16:13  Kings take pleasure in honest lips; they value the one who speaks what is right.
Isaiah 45:19  "I have not spoken in secret, from somewhere in a land of darkness; I have not said to Jacob's descendants, 'Seek me in vain.' I, the LORD, speak the truth; I declare what is right."
Jeremiah 7:28  "Therefore say to them, 'This is the nation that has not obeyed the LORD its God or responded to correction. Truth has perished; it has vanished from their lips.' "
Jeremiah 9:5-6  "Friend deceives friend, and no one speaks the truth. They have taught their tongues to lie; they weary themselves with sinning. You live in the midst of deception; in their deceit they refuse to acknowledge me," declares the LORD.
Zechariah 8:3  This is what the LORD says: "I will return to Zion and dwell in Jerusalem. Then Jerusalem will be called the Faithful City, and the mountain of the LORD Almighty will be called the Holy Mountain."
Zechariah 8:16  "These are the things you are to do: Speak the truth to each other, and render true and sound judgment in your courts; ..."
Romans 9:1  I speak the truth in Christ--I am not lying, my conscience confirms it through the Holy Spirit--...
Ephesians 4:25  Therefore each of you must put off falsehood and speak truthfully to your neighbor, for we are all members of one body.

Scriptures taken from the Holy Bible, New International Version® NIV®, Copyright© 1973, 1978, 1984, 2011 by Biblica, Inc.® Used by permission. All rights reserved worldwide. 
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