The middah of Zehirus is very important because the definition of Zehirus is to do the mitzva in the proper way
1. An example is
Tefilin because maybe for a Tefilin shel yad if you make the straps to far apart that you will not have more space for other straps.
2. Another example is shmoneh esrei great gedolim say during shmoneh esrie if you look out of the sidur when you die and you are on youre way to shamyim a malech will come an dit will scare you
3. Shema is another example people think you cover youre eyes becouse you do not want to get destracted but the real reason is that a long time ago you were soposed to role youre eyes from left to right but that will be a chilel hashem so then the rebaim said we should cover our
1. An example is
Tefilin because maybe for a Tefilin shel yad if you make the straps to far apart that you will not have more space for other straps.
2. Another example is shmoneh esrei great gedolim say during shmoneh esrie if you look out of the sidur when you die and you are on youre way to shamyim a malech will come an dit will scare you
3. Shema is another example people think you cover youre eyes becouse you do not want to get destracted but the real reason is that a long time ago you were soposed to role youre eyes from left to right but that will be a chilel hashem so then the rebaim said we should cover our