Reminds me by contrast of reports of ancient Persia...
> They hold it unlawful to talk of anything which it is unlawful to do. The most disgraceful thing in the world, they think, is to tell a lie; the next worst, to owe a debt: because, among other reasons, the debtor is obliged to tell lies. (Herodotus I.139)
> From five years of age to twenty-four they are trained to use the bow, to throw the javelin, to ride horseback, and to speak the truth; (Strabo 15:3.18)
Perhaps connected to a Zoroastrianism light/truth/good at war with dark/lies/evil.
> They hold it unlawful to talk of anything which it is unlawful to do. The most disgraceful thing in the world, they think, is to tell a lie; the next worst, to owe a debt: because, among other reasons, the debtor is obliged to tell lies. (Herodotus I.139)
> From five years of age to twenty-four they are trained to use the bow, to throw the javelin, to ride horseback, and to speak the truth; (Strabo 15:3.18)
Perhaps connected to a Zoroastrianism light/truth/good at war with dark/lies/evil.