is treise dúchas ná oiliúint

== Irish == === Proverb === is treise dúchas ná oiliúint a leopard cannot change its spots (literally, ‘instinct is stronger than upbringing’) === Further reading === Ó Dónaill, Niall (1977), “dúchas”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN