what advice the Alchemist give Santiago?

Have you read this? If so, you should be able to answer the question easily ... no deep thinking needed.

http://en.wikipedia.org/wiki/The_Alchemist_(novel)

In the novel "The Alchemist" by Paulo Coelho, the Alchemist imparts several pieces of advice to the protagonist, Santiago. One of the key advices he gives is the concept of Personal Legend. The Alchemist teaches Santiago that every person has a special purpose or destiny in life, known as their Personal Legend. He advises Santiago to pursue his own Personal Legend with passion and determination, as it is the key to fulfillment and finding one's true purpose in life.

To find specific advice given by the Alchemist to Santiago, you may refer to the book itself. Reading or reviewing the passages involving their conversations would provide you with direct quotes and a deeper understanding of the wisdom shared by the Alchemist.