וָאָבֹ֥א הַיּ֖וֹם אֶל־הָעָ֑יִן וָאֹמַ֗ר יְהוָה֙ אֱלֹהֵי֙ אֲדֹנִ֣י אַבְרָהָ֔ם אִם־יֶשְׁךָ־נָּא֙ מַצְלִ֣יחַ דַּרְכִּ֔י אֲשֶׁ֥ר אָנֹכִ֖י הֹלֵ֥ךְ עָלֶֽיהָ׃
And I came this day unto the fountain, and said: O LORD, the God of my master Abraham, if now Thou do prosper my way which I go:
Zohar
Rabbi Yesa said, Assuredly the merit of Abraham was with the servant, for he arrived at the well that very day he went, as is written, "And I came this day to the well" (Gen. 24:42). This has already been explained.