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.
-- Edward Witten
   
Edward Witten   Name:
Edward Witten
Type:
Mathematician
Nationality:
American
Birth:
August 26, 1951
https://www.nutquote.com/quote/Edward_Witten