Deuteronomy 4:15 (snip):

וְנִשְׁמַרְתֶּ֥ם מְאֹ֖ד לְנַפְשֹׁתֵיכֶ֑ם

"Watch your lives very much"

The commentary Ha'emek Davar, among others says that this verse teaches us that we are obligated to watch our bodies and prevent it from danger.

Let's say someone is car shopping. He has a certain budget. Halachically, in keeping with this law, if one car has more safety features such as more air bags, better NHTSA (National Highway Traffic Safety Association) ratings, and is, overall, considered a safer car than another, is one obligated to spend more money to get the safer car?

What if it is the same money (approximately) but the safer car doesn't have the comfort or features that you want? Must you still buy the safer one to fulfill this mitzvah?

I am using the car buying as an example, but, no doubt this could apply to any purchase situation of any product. What extent must one go out of his way when purchasing something to fulfill this mitzvah?

  • 2
    He can probably be most safe by staying in his bedroom with the door locked. – Double AA Dec 9 '15 at 16:45
  • @ DanF Certainly, an equally important safety feature, is that the driver feels comfortable and can react quickly in the car of choice. LOL @ Double AA – David Kenner Dec 9 '15 at 16:55
  • Similar: judaism.stackexchange.com/q/57426 – msh210 Dec 9 '15 at 17:16
  • 1
    I don't follow the question. The pasuk says to stay away from danger, not that we always have to do the absolute safest thing. If a car is considered safe then you're not violating this commandment. If it is not considered safe, you are violating the commandment. – Daniel Dec 9 '15 at 18:38

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