en_tn/1ti/06/05.md

morally corrupt minds

"wicked minds"

They have lost the truth

Here the word "They" refers to anyone who teaches anything that does not agree with the teaching of Jesus. The phrase "have lost the truth" represents ignoring it or forgetting it. Alternate translation: "They have ignored the truth" or "They have forgotten the truth" (See: rc://en/ta/man/translate/figs-metaphor)