Indeed, there are 4 matters related to shaving off the beard, and they are
Category: Religion
The worship of other than Allaah
How can you [claim to] single out Allaah alone for worship, while you wear that which indicates the worship of other than Him?
The pleasure of food
Indeed one will not find pleasure of food when ill, so how will he find pleasure in worship whilst sinning?
The remembrance of Allaah is of two types
The remembrance of Allaah is [of] two [types]: i) The remembrance with the tongue, and that is good and beautiful; - and
Remembering Allaah in the marketplace
The likes of the one who remembers Allaah in the marketplace, is comparable to a green [and healthy] tree amongst dead trees.
More beloved to me than a voluntary hajj
For me to give [even] a dirham in charity to an orphan or a destitute is more beloved to me than [a voluntary] hajj after [having performed] the obligatory first hajj.
Potbellied and disgraced
[There was a time] it used to be the case a Muslim would [feel] disgraced if he was told he was potbellied!
Defence of the Sunnah is more superior
Defence of the Sunnah is more superior than jihaad in the path of Allaah.
The jihaad with decisive proofs
The jihaad with decisive proofs [from the Book and the Sunnah] and the tongue takes precedence over the jihaad with the sword and the spear.
I declare war against those who reject the hadeeth
By Allaah, that I [declare] war against those who reject the hadeeth of the Messenger ﷺ is more beloved to me than that I should war against the same number of Non-Muslims.