The promise made here is to those who persevere in their faith and overcome life's trials. They are likened to a pillar in God's temple, symbolizing strength, permanence, and honor. In ancient architecture, pillars were crucial for support and were often ornately decorated, representing beauty and stability. Being a pillar in God's temple suggests an unshakeable presence in His eternal kingdom.
The verse further promises that God's name, the name of the new Jerusalem, and Jesus' new name will be written on the victorious. This signifies a profound sense of belonging and identity. In biblical times, writing a name on something indicated ownership and protection. Thus, believers are assured of their place in God's family and His eternal city, the new Jerusalem, which represents the ultimate fulfillment of God's promises. This imagery conveys a message of hope, reminding believers of the eternal rewards awaiting them and encouraging them to remain steadfast in their faith.