Quote by James Clerk Maxwell
"We cannot see the magnetic field, yet we feel its effects and understand its power."
More from James Clerk Maxwell
"The true test of civilization is not the census, nor the size of cities, but the kind of man the country turns out."
"I have also a paper afloat, with an electromagnetic theory of light, which, till I am convinced to the contrary, I hold to be great guns."
"I can find time for everything in my life as long as I know what is not important."
"The office of the mathematician is only to execute the transition from the premises to the conclusion."