Speak without any affectation

Speak both in the senate and to every man, whoever he may be, appropriately, not with any affectation, just use plain discourse. Marcus Aurelius.  Meditations. Book 8.

Image: Bronze statuette of Demosthenes, 1st century BCE - 2nd century CE, Roman Imperial period, found in central Turkey, now in the Arthur M. Sackler Museum at Harvard. Image courtesy of the museum.