Being that a money changer is expert he isn't liable for a mistake. The Gemara is clear that it is a situation where the money changer had no reason to think he may wrong.Therefore if he is, it is considered beyond his control so he has no liability.
A guy on the street who doesn't know so much about coins shouldn't be offering his uneducated opinions and ...
Bava Kamma 33a says an ox that injured a human pays half its value in damage:
תָּם בְּאָדָם מְשַׁלֵּם בַּמּוֹתָר חֲצִי נֶזֶק
A tam (innocent ox the first 3 times) Ox that damages a human pays the full damage from its body covered by up till half its value.
Rabbi Yossi Hagellili says same would apply when an ox kills a human, one pays half the value of ...
In discussing COVID-19, Rabbi Frand shared a Ben Yehoyada (Bava Kamma 60b) with us in Baltimore that fear stirred by an epidemic can be more deadly than the disease itself.
Ben Yehoyada (Bava Kamma 60b) – הנה מהרש״א ז״ל פירש הכונה אם אין
אתה בורח חוץ לעיר למקום אחראז תעשה תקנה זו להיות מוסגר בביתיך ולא תצא
מפתח הבית. והרב עיון יעקב ז"ל פירש הכונה ...
In general, this will be addressed by the commentaries to the talmud. A very useful resource is the sefer Torah Temimah which deals with the Talmudic interpretations on a verse by verse basis. Nevertheless, I will try to give a few general rules as to when one might learn two halachos from one passuk.
The basic idea is that one could only learn the minimum ...
Rashi explains that the person is scared about death from a Malach that would be more likely in the privacy of one's home than with people.
Why? I'm not sure but the issue isn't putting oneself in danger for the sake of mental health or unfounded fear. The issue is weighing the danger of being inside versus being outside.