Here is exactly what he said, with no twisting.
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And then I said, "supposing you brought the light inside the body?", which you can do either through the skin or in some other way. And I think you said you are going to test that too. Sounds interesting.
Right, and then I see the disinfectant where it knocks it out in a minute -- one minute. And, is there a way we can do something like that, by injection inside or almost a cleaning? Because you see it gets in the lungs and it does a tremendous number on the lungs. So, it would be interesting to check that -- so that you are going to have to use medical doctors. But it sounds interesting to me.
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Simply beginning a previous sentence with "supposing" doesn't change the meaning of the rest of what he said.
Trump is clearly out of his league here. I don't know if he is smarter or dumber than previous presidents, but he likes to talk and that gets him in trouble.
“It's better to keep your mouth shut and appear stupid than open it and remove all doubt.” ― Mark Twain