In English language

Gratitude is, first of all, a duty towards yourself.
Nicolae Iorga, translated by Andreea Florescu
The original in Romanian language
Recunoștința e, înainte de toate, o datorie către tine.
Nicolae Iorga
In German language
Dankbarkeit schuldest du allen voran dir selbst gegenüber.
Nicolae Iorga, translated by Monica Stinghe
In French language
La gratitude est avant tout un devoir envers vous-même.
Nicolae Iorga, translated by Alex Bodoli
In Spanish language
La gratitud es, ante todo, un deber hacia ti mismo.
Nicolae Iorga, translated by Monica Fernandez
In Italian language
La gratitudine è prima di tutto un debito a voi.
Nicolae Iorga, translated by Eliza Biță