Kitab Al Hind -

In it, Al-Biruni wrote a warning that echoes even today: "The Hindus think there is no country like theirs, no science like theirs. And the Muslims think the same of their own. Each clings to custom and calls the other barbarian. But a wise traveler knows: custom is just the wall of a house—not the sky."

Here’s a short, useful story to help understand and remember the significance of Kitab al-Hind (meaning "The Book of India"), written by the scholar Al-Biruni in 1030 CE. The Scholar Who Listened to the Waves kitab al hind

Al-Biruni replied, "A river does not conquer the rock it flows over, Your Majesty. It understands it." In it, Al-Biruni wrote a warning that echoes

But the most important chapter was the first: "On the Difficulty of Understanding Another Nation." But a wise traveler knows: custom is just

And so Al-Biruni went to India.

At first, Al-Biruni tried to talk to the Hindu priests using an interpreter. But the priest grew angry. "You are a foreigner, a mlechchha ," the priest said. "You cannot understand our Vedas. You cannot eat with us. You are impure."

The Sultan laughed. "What is there to learn from a conquered land?"