This book tries to give its readers a full biography and overview of the life of Imam Musa al-Kazim, the Seventh Imam and the Ninth Infallible, peace be on him. He left an amazing legacy full of good and beauty and a brilliant guidance for the community. Among the unique aspects that marked his personality is the steadfastness in front of the difficult events and the ordeals showered upon him by his contemporary tyrants. Old and young have a amazing opportunity of learning how to deal with life's difficulties by reading the present book.