The most dangerous diseases that afflict the body are those that attack the immune system. When the immune system is weakened, the body’s pathways open their gates to hordes of germs, which wreak havoc without restraint or countering. Among the most prominent features that distinguished life under the Khilafah (Caliphate), and whose loss we suffer and bitterly endure today, are two:

Today we live in an age of “materialistic supremacy,” in which Western civilization has reached its technological zenith, while, at the same time, sinking into a state of “moral bankruptcy.” The predicament confronting the world today is not a shortage of resources, but a malfunction in the minds and systems that have managed those resources. The Westerner has buried his intellect in the “dust of materialism,”

Allah (swt) willed, and with Allah (swt) is the Decision, in the past and in the future, that from the Blessed Land, from Gaza the Dignified, the Al-Aqsa Flood should surge forth with all that it carried, so that its effects would spread across the entire world. Thus, it stands in history as great events and momentous occurrences stand, those events written in blood, 

Hizb ut Tahrir Canada: Annual Khilafah Conference, "Khilafah is Imminent, What have You Prepared for It?"