9307. 'And hear his voice' means obedience to the commandments received from Him, that is to say, from the Lord. This is clear from the meaning of 'hearing' as obedience, dealt with in 2542, 3869, 4652-4660, 7216, 8361; and from the meaning of 'voice', when it refers to the Lord, as God's truths, dealt with in 7573, 8813, thus commandments received from the Lord. God's truths and the commandments received from the Lord are those contained in the Word; therefore also the Word and teachings drawn from the Word are 'Jehovah's voice', 219, 220, 6971.

8248. I was also shown the way in which thoughts are conveyed through the face. Affections, the components of love, are revealed by means of facial expressions and alterations of them, and thoughts within those affections are revealed by means of variations of the outward forms that interior things assume. Beyond that it is impossible to describe them. Speech consisting of spoken words is also used by the inhabitants of Jupiter, but it is quieter than ours. The one type of speech is an aid to the other; and facial speech instills life into the speech consisting of spoken words.