"...I picture historic Christianity as a broad river whose
main stream flows along a central channel while eddies,
stagnant pools, backwaters, and expanses of mud abound
along its banks. Then I cite the teachings of such men
as Augustine, Luther, Calvin, Owen, and Warfield, and Edwards
with them, as so many buoys marking out the central channel
for all who are concerned to be found in it."

From the essay "The Glory of God and the Reviving of Religion"
by J.I. Packer which is found in A God Entranced Vision of
all Things: The Legacy of Jonathan Edwards by John Piper and
Justin Taylor.