If someone has a gun and is trying to kill you, it would be reasonable to shoot back with your own gun.

By deceiving one another through false assumptions and misrepresentations there has been, in reality, a great lapse and delay in achieving the real goals.

In some cases is keeping your mouth shut the best answer.

Some people say that the West has a cruel history. These people also may see the achievements of Western countries - in terms of the economy, education, health, and social achievements - as a result of exploitation of poorer countries, including Arab countries. Western nations get rich by using resources such as Arab oil. Meanwhile, the countries supplying them raw materials remain poor. Due to such injustices, jealousies are created.

Calm mind brings inner strength and self-confidence, so that's very important for good health.

So the smart brain must be balanced with a warm heart, a good heart -a sense of responsibility, of concern for the well-being of others.

There is often a big disparity between the way in which we perceive things and the way things really are.