Meanings of unappeasable desire in English

They give vision and entrance into a red and dreadful world, where unappeasable desire smites the soul- adangerousclairvoyence.

So passed these days of their honeymoon, each one perfect, except for the occasional disquieting presence of passion, of unappeasable desire in the man.

Meet is it to pursue advantage moderately: fiercest is the madness that springeth from unappeasable desires.