The Messenger of Allah ﷺ said, "Would any of you be glad to return to his family with two pregnant she-camels?"They said, "Yes."He said, "Then two verses from the Book of Allah, which he takes back to his family, are better for him than two pregnant she-camels."
وبإسناده عن رسول الله ﷺ قال أيفرح أحدكم أن ينقلب إلى أهله بخلفتين قالوا نعم قال فآيتين من كتاب الله فيخرج بهما إلى أهله خير له من خلفتين
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Its isnad is sahih. As for his saying "with two khilfatayn," al-khalf, with the pattern of "al-katif" (that is, with fatha on the kha and kasra on the lam), means pregnant camels, that is, mahad, the female of which are pregnant she-camels, and the singular of it is khilfa, with fatha on the kha, kasra on the lam, and fatha on the fa.Darimi narrated something similar, with this wording, "Would any of you like it, when he comes to his family, to find three fat pregnant she-camels?" They said, "Yes, O Messenger of Allah." He said, "Then three verses that one of you recites are better for him than they are."