Your worst enemy cannot harm you as much as your own unguarded thoughts.

© Buddha

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Gautama Buddha - Wikipedia
Gautama Buddha[note 3] (c. 563/480 – c. 483/400 BCE), also known as Siddhārtha Gautama,[note 4] Shakyamuni (i.e. "Sage of the Shakyas") Buddha,[note 5] or simply the Buddha, after the title of Budd...