“But the beauty of Einstein's equations, for example, is just as real to anyone who's experienced it as the beauty of music. We've learned in the 20th century that the equations that work have inner harmony.”
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One of the basic things about a string is that it can vibrate in many different shapes or forms, which gives music its beauty.
As for the forces, electromagnetism and gravity we experience in everyday life. But the weak and strong forces are beyond our ordinary experience. So in physics, lots of the basic building blocks take 20th- or perhaps 21st-century equipment to explore.
Wealth, beauty, and fame are transient. When those are gone, little is left except the need to be useful.
Grandeur and beauty are so very opposite, that you often diminish the one as you increase the other. Variety is most akin to the latter, simplicity to the former.
