This can be stated in active form. AT: "they warn your servant" or "they are a warning for your servant" (See: [[rc://en/ta/man/translate/figs-activepassive]])
This appears in the form of a question to add emphasis and can be translated as a strong statement. AT: No one can be aware of his own errors!" (See: [[rc://en/ta/man/translate/figs-rquestion]])