Luke 11:35

take care therefore, that the light which is in thee do not become darkness.

John 7:48-49

have any of the rulers, or of the Pharisees believed on him?

John 9:39-41

and Jesus said, to execute justice am I come into this world: that they who see not, may see; and that they who do see, may become blind.

Romans 1:22

pretending to be wise, they became fools:

Romans 2:19-23

you think you are a guide to the blind, a light to those who are in darkness,

1 Corinthians 1:19-21

for it is written, "I will destroy the wisdom of the wise, and will bring to nothing the understanding of the prudent."

1 Corinthians 3:18-20

let no man deceive himself: if any among you pretends to worldly wisdom, let him commence fool, in order to be truly wise.

James 3:13-17

Whoever is a skilful moralist, let him show by his virtuous conduct, that he practises the humble precepts of wisdom.

2 Peter 1:9

but he that is destitute of them is blind or short-sighted, having forgot he was purified from his past sins.

2 Peter 2:18

when their language swells with vanity, by applying to the sensual passions of the licentious, they allure those who were escap'd for a while, from such deceivers:

Revelation 3:17

you say you are rich, and have increased your gain, and have need of nothing; but you do not consider that you are wretched, miserable, poor, blind, and naked.

Treasury of Scripture Knowledge

Summary

Take heed therefore that the light which is in thee be not darkness.

Bible References

General references

John 7:48
have any of the rulers, or of the Pharisees believed on him?
John 9:39
and Jesus said, to execute justice am I come into this world: that they who see not, may see; and that they who do see, may become blind.
Romans 1:22
pretending to be wise, they became fools:
Romans 2:19
you think you are a guide to the blind, a light to those who are in darkness,
1 Corinthians 1:19
for it is written, "I will destroy the wisdom of the wise, and will bring to nothing the understanding of the prudent."
1 Corinthians 3:18
let no man deceive himself: if any among you pretends to worldly wisdom, let him commence fool, in order to be truly wise.
James 3:13
Whoever is a skilful moralist, let him show by his virtuous conduct, that he practises the humble precepts of wisdom.
2 Peter 1:9
but he that is destitute of them is blind or short-sighted, having forgot he was purified from his past sins.
2 Peter 2:18
when their language swells with vanity, by applying to the sensual passions of the licentious, they allure those who were escap'd for a while, from such deceivers:
Revelation 3:17
you say you are rich, and have increased your gain, and have need of nothing; but you do not consider that you are wretched, miserable, poor, blind, and naked.