Dunniggahassa lahuno, yatthakāmanipātino;
Cittassa damatho sādhu, cittaṃ dantaṃ sukhāvahaṃ.
The mind is so difficult to subdue. It is unreliable. It seizes whatever it desires. Good indeed, it is to tame such a mind. A tamed mind brings happiness.
Dhammapada 35
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