I intend to read this article with some care.
There is a term called “taqqiya” which is sort of like “strategic lying” and since it is strategic it is excused in the Koran and in Islamic thought.
Let me refer the reader to the article by Daniel Pipes and I will come back to it later.
I find that Pipes is always good value because his articles are so well researched
Readers may also have a look through the comments on the following