The advice I tell students is to think about the big problems. I mean, work on anything you can work on where you can make progress. But always keep in mind the big problems. David Gross More Quotes by David Gross More Quotes From David Gross Since the founding of quantum mechanics in the 1920s, theoretical physics had nurtured an extremely radical tradition. David Gross 1920s quantum tradition physics I had set out to disprove quantum field theory - and the opposite occurred! I was shocked. David Gross opposite out quantum theory I strongly believe that the fundamental laws of nature are not emergent phenomena. David Gross fundamental laws nature believe