Horatius Bonar preaches on Revelation 22:2, illustrating the beauty and perfection of the new creation, where the tree of life flourishes in the new Jerusalem, bearing twelve kinds of fruit and providing healing for the nations. He emphasizes the significance of faith and hope in this glorious vision, where the city and paradise coexist, and the river of life flows abundantly. Bonar describes the tree of life as a source of eternal nourishment and healing, symbolizing Christ as the ultimate source of all blessings. He invites believers to partake in the life-giving fruit and healing leaves, encouraging them to seek the refreshment and sustenance found in Christ. The sermon highlights the contrast between the fleeting nature of the present world and the eternal glory awaiting the faithful.