Source for the quote below: Richard Sibbes, Collected Works. Volume 1 (text of this book, audio of this message)
Question. But, what is it to obey the gospel?
Answer. To obey the gospel is to entertain the offers of it; ...to believe in Christ, being in effect a command to receive him ...He that receives whole Christ to justify him, and sanctify him too; that receives Christ as a king to rule him as well as a priest to save him, such a one receives the gospel. But...[some] suffer him not to bear sway in their hearts, as if Christ came by blood alone, and not by water; whereas indeed he came as well by water to sanctify us, as by blood to die for us...