Answer:
Using comparison, Dr. King argues how necessary it is to bring light to racial injustice in order to bring about its cure.
"Like a boil that can never be cured as long as it is covered up but must be opened with all its pus-flowing ugliness to the natural medicines of air and light, injustice must likewise be exposed, with all of the tension its exposing creates, to the light of human conscience and the air of national opinion before it can be cured."
Dr. King offers an example to highlight the need to expose racial injustice. He compares it to draining a boil's festering pus so the skin can recover. The festering pus represents racial injustice, the skin covering the boil is a broken judicial system, and the tension built up within is the result of allowing the injustices grow uncontrolled.
Step-by-step explanation:
This is my point-of-view, and you are welcome to alter it.