I first deal with a few questions affecting the chessboard itself; then with certain Statical puzzles relating to the Rook, the Bishop, the Queen, and the Knight in turn; then dynamical puzzles with the pieces in the same order; and, finally, with some miscellaneous puzzles on the chessboard.
"Amusements in Mathematics"
Henry Ernest Dudeney
No merely Statical settlement will suffice.
"The Unity of Civilization"
Various
Social phaenomena, like all others, present two aspects, the Statical, and the dynamical; the phaenomena of equilibrium, and those of motion.
"Auguste Comte and Positivism"
John-Stuart Mill