Romans 3:30
If so be that God is one (eiper eiv o qeov). Correct text rather than epeiper. It means "if on the whole." "By a species of rhetorical politeness it is used of that about which there is no doubt" (Thayer. Cf. I Corinthians 8:5; I Corinthians 15:15; Romans 8:9.
By faith (ek pistewv). "Out of faith," springing out of.
Through faith (dia thv pistewv). "By means of the faith" (just mentioned). Ek denotes source, dia intermediate agency or attendant circumstance.
