John 9:1-5:

As Jesus walked along, he saw someone who had been blind from birth. The disciples asked Jesus, “Rabbi, was it this individual’s sin that caused the blindness, or that of the parents?”
“Neither,” answered Jesus,
“It wasn’t because of anyone’s sin–
not this person’s, nor the parents’.
Rather, it was to let God’s works shine forth in this person.
We must do the deeds of the One who sent me while it is still day–
for night is coming,
when no one can work.
While I am in the world
I am the light of the world.”