Huzurlu evlilik bu dünyanın cennetidir, çekişmeli evlilik bu dünyanın arafıdır. - Marriage, in peace, is this world's paradise; in strife, this life's purgatory.
Strife is strong disagreement or fighting. Money is a major cause of strife in many marriages = conflict. trouble between two or more people or groups = conflict ethnic/religious/civil etc strife (estrif, probably from estriver; STRIVE)
Exertion or contention for superiority; contest of emulation, either by intellectual or physical efforts