Song of Song 3:10 He made the pillars thereof of silver, the bottom thereof of gold, the covering of it of purple, the midst thereof being paved with love, from the daughters of Jerusalem.
As Matthew Henry points out - The materials keep getting better - Silver, Gold,Purple, then Love- The amazing thing that Jesus the love of the daughters of Jerusalem through the ages to pave our hearts.
I also spend some time on the meaning of Jerusalem and daughters in this episode.