1 Corinthians 7:35 And this for your own profit I say: not that I may cast a noose upon you, but for the seemliness and devotedness to the Lord, undistractedly, (See RSV NIV)
1 Chronicles 12:33 Of Zebulun, such as were able to go out in the army, who could set the battle in array, with all manner of instruments of war, fifty thousand, and who could order the battle array, and were not of double heart. (See NAS NIV)
Psalms 86:11 Teach me your way, Yahweh. I will walk in your truth. Make my heart undivided to fear your name. (WEB NIV)
Psalms 119:80 Let my heart be undivided in Thy statutes, in order that I may not be put to shame. (JPS)