answered and said. A Hebraism. See Deuteronomy 1:41 and App-122.
If thou, &c. Assuming the hypothesis as. fact. App-118.
knewest. hadst known. Greek. oida. App-132. See note on John 1:26.
the gift. See note on "How", John 3:4. Greek. dorea. Occurs only here in the Gospels, elsewhere only in Acts 2:38; Acts 8:20; Acts 10:45; Acts 11:17; Romans 5:15, Rom 5:17. 2 Corinthians 9:15.Ephesians 3:7; Ephesians 4:7; Hebrews 6:4. Note the eight gifts in this Gospel (John 4:10; John 10:11; John 13:15; John 14:16; John 14:27; John 17:8; John 17:14; John 17:22).
living: i.e. perennial, unfailing. Understood by all Jews, from Jeremiah 2:13; Jeremiah 17:13.Zechariah 14:8. Greek. zao,. word characteristic of this Gospel. See note on p. 1511.