The act of eating is a service.

[Tenet Nosce]

Matthew 15-11: "It's not what goes into your mouth that defiles you; you are defiled by the words that come out of your mouth."

- Could anyone help me understand this ?

This quote, attributed to Jesus both in the canonical gospel of Matthew, as well as in Gnostic texts, such as the Gospel of Thomas, is in itself quite unambiguous.

However, in some of the Essene texts, many quotes about "defilement by food" are also attributed to Jesus.

So- who can really say?

But according to my understanding and belief, the notion of "defilement by food" is a manipulation which originated with Zoroastrianism, the philosophy of which divided up the world into the "righteous" and the "wicked". It's an interesting concept, but at its root is divisive. If for nothing else because nobody can seem to ever agree upon which foods are "defiling" and which are not.