Light reflection and refraction

Read the selected scripture and, in your response to the prompt, discuss how the scripture relates to the discussion topic.
Again Jesus spoke to them, saying, “I am the light of the world. Whoever follows me will not walk in darkness, but will have the light of life.“ John 8:12 If, while standing on a riverbank, you wish to spear a fish beneath the water surface in front of you, should you aim above, below, or directly at the observed fish to make a direct hit? If, instead, you zap the fish with a laser, should you aim above, below, or directly at the observed fish? Defend your answers. You can draw a picture if you wish.