The principal defect of Egyptian arithmetic was the lack of a simple comprehensive symbolism, a defect which not even the Greeks were able to remove.

How long can this situation last and be tolerated? When Imam Ali, Commander of the Faithful, heard that an anklet was forcefully removed from the feet of a Jewish woman by the invaders in one of the frontier cities under his rule, he said, "If a man dies from grief because of this act, he should not be reprimanded.

Even if you seek to harm an enemy,
You should remove your own defects and cultivate good qualities.
Through that you will help yourself,
And the enemy will be displeased.

American Dragon: Jake Long (Removed)