Destructive anger on the Sabbath

THIS WEEK'S DAF YOMI by Adam Kirsch in Tablet: Things Broken and Repaired: In this week’s page of Talmud, the rabbis show their skill at making distinctions between obligation and acting out.

The Mishnah bans any kind of constructive or positive activity on Shabbat; but this raises a question to which the Talmud will return in the following chapter, in Shabbat 105b. What if you perform an action that involves some real expense of energy but its effect is purely destructive?

Earlier Daf Yomi columns are noted here, here and links.