The necessity of knowing a little about a great many things is the most grievous burden of our day. It deprives us of leisure on the one hand, and of scholarship on the other.
Understanding human nature is the highest knowledge, and only by knowing it can we know God. It is also a fact that the knowledge of God is the highest knowledge, and only by knowing God can we understand human nature.
All too many Muslims fail to grasp Islam, which teaches one to be lenient towards others and to understand their value systems, knowing that these are tolerated by Islam as a religion.