Luke 11:35

35 take heed, then, lest the light that [is] in thee be darkness;

Luke 11:35 Meaning and Commentary

Luke 11:35

Take heed therefore
By attending to the light of the Gospel, shining in the ministration of it, and do not neglect and despise it:

that the light which is in thee be not darkness;
lest being given up to a judicial blindness and hardness of heart, not only the light of nature, which the Jews had in common with the Gentiles, but even that notional light and knowledge of divine things, which they had by being favoured with an external revelation, the writings of the Old Testament, should be lost.

Luke 11:35 In-Context

33 `And no one having lighted a lamp, doth put [it] in a secret place, nor under the measure, but on the lamp-stand, that those coming in may behold the light.
34 `The lamp of the body is the eye, when then thine eye may be simple, thy whole body also is lightened; and when it may be evil, thy body also is darkened;
35 take heed, then, lest the light that [is] in thee be darkness;
36 if then thy whole body is lightened, not having any part darkened, the whole shall be lightened, as when the lamp by the brightness may give thee light.'
37 And in [his] speaking, a certain Pharisee was asking him that he might dine with him, and having gone in, he reclined (at meat),
Young's Literal Translation is in the public domain.