Benjamin Breckinridge Warfield (1851-1921) was professor of theology at Princeton Seminary from 1887 to 1921. Warfield wrote these thirteen statements as a concise overview of what Reformed Theology holds to.
1. I believe that my one aim in life and death should be to glorify God and enjoy Him forever; and that God teaches me how to glorify and enjoy him in His holy Word, that is, the Bible, which He has given by the infallible inspiration of His Holy Spirit in order that I may certainly know what I am to believe concerning Him and what duty He requires of me.
2. I believe that God is a Spirit, infinite, eternal and incomparable in all that He is; one God but three persons, the Father, the Son, and the Holy Ghost, my Creator, my Redeemer, and my Sanctifier; in whose power and wisdom, righteousness, goodness and truth I may safely put my trust.