Men trust rather to their eyes than to their ears; the effect of precepts is therefore slow and tedious, whilst that of examples is summary and effectual.
Seneca the YoungerTo see a man fearless in dangers, untainted with lusts, happy in adversity, composed in a tumult, and laughing at all those things which are generally either coveted or feared, all men must acknowledge that this can be from nothing else but a beam of divinity that influences a mortal body.
Seneca the Younger