According to Islam, the creator deity, God, known in Arabic as Allah, is the all-powerful and all-knowing Creator, Sustainer, Ordainer, and Judge of the universe. Creation is seen as an act of divine choice and mercy, one with a grand purpose: "And We did not create the heaven and earth and that between them in play." Rather, the purpose of humanity is to be tested: "Who has created death and life, that He may test you which of you is best in deed. And He is the All-Mighty, the Oft-Forgiving;" Those who pass the test are rewarded with Paradise: "Verily for the Righteous there will be a fulfilment of (the heart's) desires;"