Verse Lv02-13a discussing the
requirement of salting (rest) offerings
And every meal-offering of thine shalt thou season with salt; neither shalt thou suffer the salt of the covenant of thy G-d to be lacking from thy meal-offering; with all thy offerings thou shalt offer salt.
Rav Hirsch (in Nu) explains the
symbolism of salt:After reviewing
many biblical verses we see that salt
Using this symbolism we can understand the symbolic requirement of salting offerings: Whatever lessons are taught by the offerings must not be transient one day lessons in the Temple but permanantly preserved eternally. <
Advanced Rashi:But Rashi does not say this. Rather Rashi crytpically says: Water and salt made a deal at creation. Water is used on the Succah festival while salting is done to sacrifices.