John 11:9-10

Jesus answered, Are there not twelve hours in the day? If any man walk in the day, he doth not stumble, because he seeth the light of this world.

John 12:35

Then said Jesus unto them, Yet a little while is the light with you. Walk while ye have the light, lest the darkness overtake you: he that walketh in darkness, knoweth not even whither he is going.

John 12:40

"He hath blinded their eyes, and hardened their hearts; lest they should see with their eyes, and understand with the heart, and be converted, and I should heal them."

1 John 2:11

But he that hateth his brother is in darkness, and walketh in darkness, and knoweth not whither he is departing, because the darkness hath blinded his eyes.

Treasury of Scripture Knowledge

Summary

We grope for the wall like the blind, and we grope as if we had no eyes: we stumble at noonday as in the night; we are in desolate places as dead men.

General references

Bible References

General references

John 8:27
They knew not that he spake to them of the Father.