This can be stated in active form. Alternate translation: "God desires to save all people and for them to come to the knowledge of the truth" (See: [[rc://en/ta/man/translate/figs-activepassive]])
Paul speaks of learning the truth about God as if it were a place to which people could be brought. Alternate translation: "to know and accept what is true" (See: [[rc://en/ta/man/translate/figs-metaphor]])