Paul speaks of his conscience as if it could be physically clean. This means that a person does not feel guilty because he has always tried to do what was right. AT: "knowing I have tried my hardest to do what is right" (See: [[rc://en/ta/man/translate/figs-metaphor]])
Paul speaks of himself as if he were a container that someone could fill. This can be stated in active form. AT: "I may be full of joy" or "I may have complete joy" (See: [[rc://en/ta/man/translate/figs-metaphor]] and [[rc://en/ta/man/translate/figs-activepassive]])
Paul is speaking of their faith as if it were something that was alive and lived in them. Paul means they have the same sort of faith. This can be stated as a new sentence. AT: "faith. Lois, your grandmother, and Eunice, your mother, first had genuine faith, and I am confident that you have genuine faith as well" (See: [[rc://en/ta/man/translate/figs-metaphor]])