Neither physicians nor generals nor orators can achieve any signal success without experience and practice

Neither physicians nor generals nor orators can achieve any signal success without experience and practice. Marcus Tullius Cicero. De Officiis. Book 1. Section 60.

Image: A physician's scalpel, tweezers and bone lever found in Pompeii 1st century CE. Photographed at "Pompeii: The Exhibit" at the Pacific Science Center in Seattle, Washington.