As used here, “lying” means “intentional deception”, so if you say something, believing it to be true, but it’s actually false, it’s not lying. The contrast is not saying what’s true vs saying what’s false, but saying what you believe to be true vs saying what you believe to be false.
As used here, “lying” means “intentional deception”, so if you say something, believing it to be true, but it’s actually false, it’s not lying. The contrast is not saying what’s true vs saying what’s false, but saying what you believe to be true vs saying what you believe to be false.