If vegetables or grains grew in a vineyard, it is forbidden to consume both the grapes as well as the vegetables or grain.This biblical prohibition only applies in the land of Israel.
It is forbidden to partake of produce before all the requisite tithes – those that belong to the kohen, Levite, the poor, and the tithe that is separated and eaten in Jerusalem – are separated.
It is forbidden to drink wine that was used as a libation for an idol.
We are commanded to ritually slaughter [animals and fowl] if wishing to eat from their flesh. Only through slaughter is flesh rendered fit for consumption.
Many years before the Alter Rebbe's imprisonment in Petersburg in 5559 (1798), he once came out of his private quarters to where the Chassidim were gathered and said: "In gan eden1 they sense the preciousness of this lowly world. Not only the Ministering Angels, but even the earliest Emanations2 would forego everything for one amein y'hei sh'mei raba said by a Jew 'with all his power,' meaning with full concentration, i.e., being totally immersed and involved with these words."
This was all he said. The effect was that he kindled such a flame and such a burning enthusiasm in all who heard, that for a full year their amein y'hei sh'mei raba was fiery.
"Paradise"; the spiritual Hereafter. Lit. "Garden of Eden."
In Atzilut, the World of Emanation, all existences are Divine, G-dhood. They are totally one with Him, not entities in any sense. These "existences" or "Emanations" may be the Divine attributes, for example. In "lower" Worlds, the beings are entities, distinct from Him.