"The halal is clear and the haram is clear, and between them are matters unclear that are unknown to most people. Whoever is wary of these unclear matters has absolved his religion and honor. And whoever indulges in them has indulged in the haram. It is like a shepherd who herds his sheep too close to preserved sanctuary, and they will eventually graze in it. Every king has a sanctuary, and the sanctuary of Allah is what He has made haram. There lies within the body a piece of flesh. If it is sound, the whole body is sound; and if it is corrupted, the whole body is corrupted. Verily this piece is the heart."
On knowledge sharing and dissemination
... when circulating a working paper for comments, never put on "citations only permitted with the permission of author"
or "no parts of this paper can be used without permission of author". Rather, say "when using parts of this paper please give proper citation and help yourself". Be delighted if someone wants to quote you ... (p.7)
Source: Glaser, B. G. (2006) The roots of grounded theory. The Grounded Theory Review, 5(2/3), 1-10.