“知彼知己，百戰不殆；不知彼而知己，一勝一負；不知彼，不知己，每戰必殆”

“知彼知己，百戰不殆；不知彼而知己，一勝一負；不知彼，不知己，每戰必殆”

— Sun Tzu

Verification

Attributed

Recorded by a reliable secondary source; exact wording may differ.

Imported from Wikiquote; not yet checked by QuoteQuest against the original source.

Source

Title: Wikiquote: Sun Tzu
Type: reference · Secondary source
Held by: Wikiquote

View source at Wikiquote

Context

It is said that if you know your enemies and know yourself, you will not be imperiled in a hundred battles; if you do not know your enemies but do know yourself, you will win one and lose one; if you do not know your enemies nor yourself, you will be imperiled in every single battle.

Cite this source

Tzu, Sun. (n.d.). Wikiquote: Sun Tzu. Wikiquote. https://en.wikiquote.org/wiki/Sun_Tzu

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Provenance: Wikiquote (CC BY-SA)