Note 038
Vespasian and Titus were the last censors (Pliny, Hist. Natur. vii. 49. Censorinus de Die Natali). The modesty of Trajan refused an honour which he deserved, and his example became a law to the Antonines. Pliny's Panegyric, c. 45 and 60.
Note to Chapter 10 of DECLINE & FALL by Gibbon