Shall we know (gnōsometha). Future middle indicative of ginōskō, at any future emergency, we shall come to know by this (en toutōi) “that we are of the truth” (hoti ek tēs alētheias esmen).
Before him (emprosthen autou). In the very presence of God we shall have confident assurance (peisomen tēn kardian hēmōn, either we shall persuade our heart or shall assure our heart) because God understands us.