When Imam Ali ('a), who was a beacon of justice, departed this world, the oppres-sive Umayyads took his place. Instead of one who was a veritable treasure chest of wisdom, individuals came upon the seat of power who were led by their satanic desires and inclinations.

Filling the mind with all sorts of scientific formulas, logical precepts, philosophical principles, and all other types of knowledge is of extremely little value unless it is accompanied with proper thinking and a clear and accurate worldview.

Here you could find Interesting Information about Imam 'Ali ('a)'s Life