Quantum field theory, which was born just fifty years ago from the marriage of quantum mechanics with relativity, is a beautiful but not very robust child.
Steven WeinbergOur mistake is not that we take our theories too seriously, but that we do not take them seriously enough.
Steven WeinbergThe more we refine our understanding of God to make the concept plausible, the more it seems pointless.
Steven WeinbergIf language is to be of any use to us, then we ought to try and preserve the meaning of words, and 'god' historically has not meant the laws of nature.
Steven Weinberg