The seventy sparks of Torah

Hi,

"It was taught in the yeshiva of Rabbi Yishmael: The Torah says, 'It [Torah] is like a hammer, splitting stone.' Just as a hammer is split into many sparks, so every one of Gd's declarations was split into seventy sparks."

[Note: Rashi and Tosafot disagree as to whether the stone or the hammer splits in this metaphor. I have followed the view of Tosafot here.]

(Talmud, Shabbat 88b)

Have a great day,
Mordechai