“'All conditioned things are impermanent' — when one perceives this with wisdom, one turns away from suffering. This is the path to purity.”
Canonical Pali Original: 'Sabbe saṅkhārā aniccā'ti, yadā paññāya passati; Atha nibbindatī dukkhe, esa maggo visuddhiyā.
— Gautam Buddha
The Awakened One, Founder of Dhamma
Pali Canon: Dhammapada 20.277, the foundational Buddhist insight into Anicca (impermanence).