Chazal
Chazalרַבִּי אַבָּהוּ רָמֵי: כְּתִיב זָכָר וּנְקֵבָה בְּרָאָם, וּכְתִיב כִּי בְּצֶלֶם אֱלֹהִים עָשָׂה אֶת הָאָדָם. הָא כֵּיצַד? בַּתְּחִלָּה עָלָה בְּמַחֲשָׁבָה לִבְרֹא שְׁנַיִם, וּלְבַסּוֹף לֹא נִבְרָא אֶלָּא אֶחָד.
Rabbi Abbahu raised a contradiction: It is written “male and female He created them,” and it is written “for in the image of God He made the man.” How is this? At first it arose in thought to create two, and in the end only one was created.