Matthew 6:22
The lamp of the body is the eye; if therefore thine eye be single, thy whole body will be light:
Luke 11:34-36
The lamp of the body is thine eye: when thine eye is simple, thy whole body also is light; but when it is wicked, thy body also is dark.
2 Corinthians 11:3
But I fear lest by any means, as the serpent deceived Eve by his craft, so your thoughts should be corrupted from simplicity as to the Christ.
Colossians 3:22
Bondmen, obey in all things your masters according to flesh; not with eye-services, as men-pleasers, but in simplicity of heart, fearing the Lord.
Acts 2:46
And every day, being constantly in the temple with one accord, and breaking bread in the house, they received their food with gladness and simplicity of heart,
Ephesians 6:5
Bondmen, obey masters according to flesh, with fear and trembling, in simplicity of your heart as to the Christ;