'In the Light' in the Bible

What I say unto you in the dark, publish in the light: and what ye hear whispered into the ear, proclaim upon the roofs.

Wherefore whatsoever things ye have spoken in darkness, they shall be reported in the light; and what ye have whispered into the ear in the closets, shall be proclaimed on the house-tops.

While ye have the light, believe in the light, that ye may be the children of the light. These things spake Jesus, and going away, concealed himself from them.

but if we walk in the light, as he is himself in the light, we have communion with each other, and the blood of Jesus Christ his Son cleanseth us from all sin.

He who saith, that he is in the light, yet hateth his brother, is in darkness even until now.

He that loveth his brother is in the light, and occasion of stumbling in him there is none.

And the nations of those that are saved shall walk about in the light thereof; and the kings of the earth shall bring their glory and their honour into it;