Science is the belief in the ignorance of experts.

But see that the imagination of nature is far, far greater than the imagination of man.

From a long view of the history of mankind the most significant event of the nineteenth century will be judged as Maxwell's discovery of the laws of electrodynamics.

The electron is a theory. But the theory is so good we can almost consider them real.

Science is what we have learned about how to keep from fooling ourselves.

I am not interested in what today's mathematicians find interesting.

So, ultimately, in order to understand nature it may be necessary to have a deeper understanding of mathematical relationships. But the real reason is that the subject is enjoyable, and although we humans cut nature up in different ways, and we have different courses in different departments, such compartmentaliz ation is really artificial, and we should take our intellectual pleasures where we find them.