Ardas is a spiritual book written by Guru Arjan Dev, the fifth Guru of the Sikh religion. It is a prayer and a compilation of hymns that is recited by Sikhs for seeking blessings, spiritual strength, and guidance. The Ardas is an important part of Sikh religious practice, performed at various occasions, including after prayers and during significant events. It emphasizes the themes of humility, devotion, and gratitude.