As you submit to God more and more, you will get accustomed to being nourished by the power of truth. He is so holy that He cannot lie. God reveals His truth to His people through the Holy Spirit.
Jesus never spoke of truth in abstraction, as something that stands alone. Jesus always spoke of truth in relation to God being revealed through himself.
Being humble matters.
Revealed religion has no weight with me.
If you tell the truth, you don't have to remember anything.