Matthew 6:22
"The eye is the lamp of the body. If then your eyesight is good, your whole body will be well lighted;
Luke 11:34-36
The lamp of the body is the eye. When your eyesight is good, your whole body also is lighted up; but when it is defective, your body is darkened.
2 Corinthians 11:3
But I am afraid that, as the serpent in his craftiness deceived Eve, so your minds may be led astray from their single-heartedness and their fidelity to Christ.
Colossians 3:22
Slaves, be obedient in everything to your earthly masters; not in acts of eye service, as aiming only to please men, but with simplicity of purpose, because you fear the Lord.
Acts 2:46
And, day by day, attending constantly in the Temple with one accord, and breaking bread in private houses, they took their meals with great happiness and single-heartedness,
Ephesians 6:5
Slaves, be obedient to your earthly masters, with respect and eager anxiety to please and with simplicity of motive as if you were obeying Christ.