Note 027
Ammian. xxi. 8. In this promotion Julian obeyed the law which he publicly imposed on himself. Neque civilis quisquam judex nec militaris [militiae] rector, alio quodam praeter merita suffragante, ad potiorem veniat gradum. (Ammian. xx. 5.) Absence did not weaken his regard for Sallust, with whose name (A.D. 363) he honoured the consulship.
Note to Chapter 22 of DECLINE & FALL by Gibbon