“If mathematics were an orchestra, the exponentials would be the violins. The ρ(t) would be the flutes; they are introduced by the exponentials. The Poisson summation formula would be the tuba: powerful, but ridiculous when used too much” — M.N. Huxley
From Area, Lattice Points and Exponential sums, by M.N. Huxley.
Now go lift something heavy,
ps. the image is of Bob Stewart