There is a popular quote often attributed to Albert Einstein that goes, "Science without religion is lame, and religion without science is blind." This quote suggests that Einstein saw value in both science and religion. However, it is important to note that Einstein's views on religion and the existence of God were nuanced and complex.
Einstein did not adhere to any organized religious belief, but he often made references to God or a higher power in his writings and speeches. He described his views as a form of pantheism or a belief in the "cosmic religious feeling." Einstein's concept of God was more akin to a symbolic representation of the laws of nature and the underlying order and beauty of the universe.
While Einstein expressed skepticism about traditional religious dogmas, he also had great respect for the wonders of the natural world and the laws of physics that governed it. He saw beauty and awe-inspiring complexity in the universe, and he often referred to these as his "religion."
It is important to approach quotes attributed to famous individuals with caution, as they can sometimes be taken out of context or inaccurately attributed. In the case of Einstein, his views on religion and God were multifaceted, and it would be an oversimplification to assert that he definitively claimed that only nature exists without any reference to a higher power.