Translation of the verse 103 from Surah As-saffat : Number of verses 182 - - page 450 - Part 23.
Then, when they had both submitted themselves (to the Will of Allah), and he had laid him prostrate on his forehead (or on the side of his forehead for slaughtering);
And when they had both submitted and he put him down upon his forehead,
(37:103) When both surrendered (to Allah's command) and Abraham flung the son down on his forehead, *61
*61) That is, "The Prophet Abraham did not make his son lit flat on his back but made him lie prostrate lest while slaughtering him the sight of his face should arouse compassion and lout and make him shaky. Therefore, he wanted to use the knife from under the throat" .
Source : As-saffat Verse 103: And when they had both submitted and he put him down upon his forehead,