24, 25. Concluding doxology.
Now—Greek, "But."
you—Alford, on inferior authority, reads, "them." You is in contradistinction to those ungodly men mentioned above.
keep … from falling—rather, "guard … (so as to be) without falling," or stumbling.
faultless—Greek, "blameless."
before the presence of his glory—that is, before Himself, when He shall be revealed in glory.
with exceeding joy—literally, "with exultation" as of those who leap for joy.