This doesn't mean that they commit themselves to the view that this is all there is. Many scientists (including me) think that this is the case, but other scientists are religious, and believe that what is observed in nature is at least in part a result of God's will.
Steven WeinbergA theorist today is hardly considered respectable if he or she has not introduced at least one new particle for which there is no experimental evidence.
Steven WeinbergAs you learn more and more about the irrelevance of human life to the general mechanism of the universe, the idea of an interested god, becomes increasingly implausible.
Steven Weinberg