Luke 11:35

Let it be thy aim then, that the light which is in thee do not become darkness.

John 7:48-49

Hath any one of the rulers or of the Pharisees believed on him?

John 9:39-41

And Jesus said, For judgment I am come into this world, that they who see not may see; and they who see become blind.

Romans 1:22

Affecting to be sophists, they turned idiots,

Romans 2:19-23

and hast confidence that thou thyself art a leader of the blind, a light of those who are in darkness,

1 Corinthians 1:19-21

For it is written, "I will destroy the wisdom of the wise, and the understanding of the intelligent will I make useless."

1 Corinthians 3:18-20

Let no man deceive himself. If any man among you thinketh himself a wise man in this world, let him become a fool, that he may be wise.

James 3:13-17

Who is a wise man and intelligent among you, let him shew in a becoming conduct his works with the meekness of wisdom.

2 Peter 1:9

But he that hath no possession of these things, is blind, dim-sighted, sinking into oblivion of his purification from the sins of his former days.

2 Peter 2:18

Uttering pompous discourses of inanity, ensnaring by the lusts of the flesh, by lascivious impurities, those who had truly escaped from such as live in a course of delusion.

Revelation 3:17

because thou sayest, I am rich, and wallow in wealth, and have no want unsupplied; yet thou knowest not that thou art wretched, and pitiable, and poor, and 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
Hath any one of the rulers or of the Pharisees believed on him?
John 9:39
And Jesus said, For judgment I am come into this world, that they who see not may see; and they who see become blind.
Romans 1:22
Affecting to be sophists, they turned idiots,
Romans 2:19
and hast confidence that thou thyself art a leader of the blind, a light of those who are in darkness,
1 Corinthians 1:19
For it is written, "I will destroy the wisdom of the wise, and the understanding of the intelligent will I make useless."
1 Corinthians 3:18
Let no man deceive himself. If any man among you thinketh himself a wise man in this world, let him become a fool, that he may be wise.
James 3:13
Who is a wise man and intelligent among you, let him shew in a becoming conduct his works with the meekness of wisdom.
2 Peter 1:9
But he that hath no possession of these things, is blind, dim-sighted, sinking into oblivion of his purification from the sins of his former days.
2 Peter 2:18
Uttering pompous discourses of inanity, ensnaring by the lusts of the flesh, by lascivious impurities, those who had truly escaped from such as live in a course of delusion.
Revelation 3:17
because thou sayest, I am rich, and wallow in wealth, and have no want unsupplied; yet thou knowest not that thou art wretched, and pitiable, and poor, and blind, and naked.