Littérature du Second Temple sur La Genèse 18:10

וַיֹּ֗אמֶר שׁ֣וֹב אָשׁ֤וּב אֵלֶ֙יךָ֙ כָּעֵ֣ת חַיָּ֔ה וְהִנֵּה־בֵ֖ן לְשָׂרָ֣ה אִשְׁתֶּ֑ךָ וְשָׂרָ֥ה שֹׁמַ֛עַת פֶּ֥תַח הָאֹ֖הֶל וְה֥וּא אַחֲרָֽיו׃

L’un d’eux reprit: "Certes, je reviendrai à toi à pareille époque et voici, un fils sera né à Sara, ton épouse." Or, Sara l’entendait à l’entrée de la tente qui se trouvait derrière lui.

On the Migration of Abraham

[126]for in the All virtue is, shall be, has been: covered with a dark shadow, it may be, by men’s missings of the due season but revealed again by due season that ever follows in God’s steps. In such due season does “Sarah” who is sound sense, give birth to a man-child, putting forth her fruit not according to the changes of the year measured by lapse of time, but in accordance with a fitness and fulness of season that time does not determine: for it is said “I will certainly return unto thee according to this season when the time comes round; and Sarah thy wife shall have a son” (Gen. 18:10).