Marriage (n.) is to halve your rights and double your duties.
Marriage (n.) splits one's rights in half and doubles one's duties.
Marriage (n.) where monogamy rules means to halve one's rights and double one's duties.
Marriage (n.) is the attrition of love (which is a deception practiced by nature) and must therefore be disillusioning.
Marriage (n.) for instinct is not a means of intellectual entertainment but of generating children — a union of hearts, not of minds.
Marriage (n.) means that either the interest of the individual or that of the species must suffer — only by the rarest luck do convenience and passion go hand in hand.