C.H. Spurgeon emphasizes the universality of God's promises, asserting that what He has promised to one believer, He has promised to all. He encourages believers to recognize that they are heirs to God's abundant blessings and provisions, as the promises extend to every aspect of life. Spurgeon highlights the assurance found in the promise 'I will never leave thee, nor forsake thee,' which guarantees that God's attributes will always be at work for the believer's benefit. He urges believers to boldly claim their inheritance and trust in God's unwavering presence and support. Ultimately, Spurgeon reassures that there is nothing needed in life or eternity that is not encompassed in God's promise.