John 2:20

Then said the Jews, Forty and six years was this temple in building, and wilt thou rear it up in three days?

Cross-reference

1 Kings 6:38 records Solomon's temple took 7 years, providing a contrast to the 46 years of the Herodian temple mentioned here.

Matthew 24:2 predicts the temple's complete destruction, contrasting with the Jews' focus on its long construction here.

Luke 21:5 describes the temple's impressive stones and gifts — same physical temple the Jews boast about in John 2:20.