Evangelicalism: against additions, against subtractions, against dilutions.
“I repeatedly urge in varied company that evangelicalism is Christianity without additions, subtractions, or dilutions — Christianity, that is, in its purest and most authentic form” (J. I. Packer in John Piper & Justin Taylor, eds., A God Entranced Vision of All Things: The Legacy of Jonathan Edwards, 81-82).
Evangelicalism: for always reforming.