What we observe is not nature itself but nature exposed to our method of questioning. Our scientific work in physics consists in asking questions about nature in the language that we possess and trying to get an answer from experiment by the means that are at our disposal.
Bio: Peter van Nieuwenhuizen is a Dutch physicist. He is now a distinguished Professor at Stony Brook University in the United States. Van Nieuwenhuizen is best known for his discovery of supergravity with Sergio Ferrara and Daniel Z. Freedman.