There, in precise, mathematical terms, Newton surveyed all phenomena of the known physical world, from pendulums to springs to comets to the grand trajectories of planets.

• 牛顿以精确的数学语言，将人类知道的自然世界全都收服，无论钟摆、弹簧、彗星，还是行星绕日轨道，如在指掌中。