The Sikh must not believe in rituals, superstitions, idol worship or worship of idols. He must not use alcohol, drugs and tobacco, not even ritually. He should stay away from vices and respect the concept of Bani and Bana in true sense. Sikhs believe in one God who can be attained through Nam Simran.
These are the petals of beatiful Sikh flower which spread their fragrance throughout the world.
For more reading,
Living in Consonance with Guru's Tenets
according to Sikh Reht Maryada