For the joy set before him, Jesus endured the cross. For the joy set before us, we press on to bring as many people into fullness of joy in God as we possibly can.
https://www.desiringgod.org/messages/the-cost-of-love-in-the-call-to-the-nations/excerpts/joy-drives-us
https://www.desiringgod.org/messages/the-cost-of-love-in-the-call-to-the-nations/