Luke 11:35
"Take heed therefore that the light which is in thee be not darkness."
Cross References (ranked by relevance)
There is a way that seemeth right unto a man, but the end thereof are the ways of death.
But he that lacketh these things is blind, and cannot see afar off, and hath forgotten that he was purged from his old sins.
Because thou sayest, I am rich, and increased with goods, and have need of nothing; and knowest not that thou art wretched, and miserable, and poor, and blind, and naked:
Professing themselves to be wise, they became fools,
Seest thou a man wise in his own conceit? there is more hope of a fool than of him.
For when they speak great swelling words of vanity, they allure through the lusts of the flesh, through much wantonness, those that were clean escaped from them who live in error.