That's a quote from the WSJ. Yes, the same WSJ that calls those who don't support Open Borders "nativists."

See 'New Breed of Islamic Warrior Is Emerging' for the full article.

Excerpt:

Immigration is a key way to extend the radical ideas into Western Europe. One Takfiri scholar, Abu Basir, wrote in 2001 that "jihad and immigration go together...the one cannot be achieved without the other."

Fifteen of the 18 suspects jailed for the Madrid bombings come from cities in northern Morocco that have become front-line recruitment centers for the ultrafundamentalist message. One senior Moroccan official says "every country with an Arab or Muslim immigrant population now faces this problem" of potential sleeper cells...

Unlike previous generations of radical Islamists, who attracted police attention by their long beards, public proselytizing and orthodox postures, the newer generation of holy warrior blends in better. They are encouraged to lead a double life in the ultimate pursuit of jihad, according a German intelligence report.

"Outwardly they pretend to lead a modern lifestyle," says terrorism expert Magnus Ranstorp. "But deep inside they adhere to a pure medieval strain of Islam." Many Takfiris shave their beards and avoid mosques for security reasons. "Recruits conceal their true beliefs until the time is right," Dr. Ranstorp says...

Damn those European nativists!

See this post for this quote from a Muslim scholar: "Islam will return once more to Europe as a conqueror and as a victorious power..." See this post and the one before it for more information on "al-Andalus."