John 1:50
Jesus answered and said unto him, Because I said unto thee, I saw thee under the fig tree, believest thou? thou shalt see greater things than these.
Cross-references
In John 11:40, Jesus promises that belief yields seeing God's glory, directly echoing the 'greater things' promised to Nathanael.
In John 20:29, Jesus pronounces blessing on those who believe without seeing, extending the principle of belief from a sign to faith unseen.
In John 2:11, Jesus' first sign at Cana fulfills his promise of 'greater things' — his glory is revealed and disciples believe.
In Matthew 26:64, Jesus tells Caiaphas 'you will see the Son of Man' in glory, similar to the 'greater things' Nathanael will see.
In Luke 1:45, Elizabeth blesses Mary for believing God's promise, paralleling the blessing on Nathanael's belief here.
In Luke 7:9, Jesus marvels at the centurion's faith, showing another instance where faith leads to Jesus' commendation.