Zoroaster — "The Lie is the source of all evil, the Truth is the source of all good."

The Lie is the source of all evil, the Truth is the source of all good.
Zoroaster — Zoroaster Ancient · Founder of Zoroastrianism

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About Zoroaster (c. 1500-1000 BCE (debated))

Iranian prophet who founded Zoroastrianism, the first major religion of cosmic dualism between good (Ahura Mazda) and evil (Angra Mainyu). Closely associated with The Buddha (near-contemporary Eastern moral-cosmological revolutionary). For an intellectual contrast, see Friedrich Nietzsche, German philosopher of 'beyond good and evil' — Nietzsche appropriated Zarathustra's name for Thus Spoke Zarathustra (1883) precisely to invert the original's moral cosmology — the historical Zoroaster founded the good-versus-evil framework Nietzsche's character announces the end of.

Details

Gathas, Yasna 30.5

Date: c. 6th century BCE

Life & Death

Verification

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Found in 1 providers: grok

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Understanding this quote

What it means

Deception and falsehood are the root from which every harmful action grows, while honesty and truthfulness are the foundation of every beneficial one. The saying frames morality as a binary choice between two cosmic forces: choosing to lie corrupts the world and oneself, while choosing truth aligns a person with what is genuinely good. Ethics, in this view, reduces to one simple test—am I being truthful or deceitful?

Relevance to Zoroaster

Zoroaster built his entire religion around the cosmic struggle between Asha (truth, order) and Druj (the lie, chaos). As a priest-prophet who reformed older Iranian polytheism, he taught that humans must actively choose Asha through good thoughts, good words, and good deeds. This quote distills the dualistic ethics at the heart of his Gathas, where Ahura Mazda represents truth and the hostile spirit embodies the lie that pollutes creation.

The era

Zoroaster lived in ancient Persia, likely between 1500 and 1000 BCE, among pastoral Iranian tribes practicing ritual sacrifice and worshipping many gods. Cattle raids, tribal violence, and corrupt priesthoods made oath-keeping and honesty existential concerns for settled herding communities. By elevating truth to a cosmic principle, Zoroaster gave a fractured society a unifying moral standard that later shaped Persian imperial ethics under Cyrus and influenced Judaism, Christianity, and Islam.

AI-generated insights based on extensive research and information for context. Factual errors? Email [email protected].

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