Canonical Reference: Dhp 380 Verified Source

“You yourself are your own protector; you yourself are your own refuge. Therefore, discipline yourself as a noble merchant trains a fine thoroughbred horse.”

Canonical Pali Original: Attā hi attano nātho, attā hi attano gati; Tasmā saññamayattānaṃ, assaṃ bhadraṃva vāṇijo.

— Gautam Buddha
The Awakened One, Founder of Dhamma
Historical Setting & Context:

Pali Canon: Dhammapada 25.380 reaffirming the Buddhist doctrine of personal moral responsibility and self-empowerment.