David Gross

The progress of science is much more muddled than is depicted in most history books. This is especially true of theoretical physics, partly because history is written by the victorious.

Fortunately, nature is as generous with its problems as Nobel with his fortune. The more we know, the more aware we are of what we know not.

In order to achieve a true understanding of string theory, some new idea will be required, and most likely, some break with the concepts on which we've traditionally based physical theory.

I just had an idea that went right over my head.

Theorists can create all sorts of theories which go beyond the Standard Model. But there's not one bit of experimental evidence to point out which way you should go.

Get in the habit of vetting your research as you go - particularly research conducted online. Verify facts from multiple reputable sources before you record them.