Jamieson, Fausset and Brown on Luke 1:3

3. from the very first--that is, from the very earliest events; referring to those precious details of the birth and early life, not only of our Lord, but of His forerunner, which we owe to Luke alone.

in order--or "consecutively"--in contrast, probably, with the disjointed productions to which he had referred. But this must not be pressed too far; for, on comparing it with the other Gospels, we see that in some particulars the strict chronological order is not observed in this Gospel.

most excellent--or "most noble"--a title of rank applied by this same writer twice to Felix and once to Festus (Ac 22:26; 24:3; 26:25). It is likely, therefore, that "Theophilus" was chief magistrate of some city in Greece or Asia Minor [Webster and Wilkinson].