If Prophecy
Romans 12:6: Having then gifts differing according to the grace that is given to us, let us use them: if prophecy, let us prophesy in proportion to our faith.
Being Many, We are One
Romans 12:5: So we, being many, are one body in Christ, and individually members of one another.
One Body
Romans 12:4: For as we have many members in one body, but all the members do not have the same function.
A Measure of Faith
Romans 12:3: For I say, through the grace given to me, to everyone who is among you, not to think of himself more highly than he ought to think, but to think soberly, as God has dealt to each one a measure of faith.