He who thinks half-heartedly will not believe in God; but he who really thinks has to believe in God.
Isaac NewtonCentripetal force is the force by which bodies are drawn from all sides, are impelled, or in any way tend, toward some point as to a center.
Isaac NewtonAx: 100 Every thing doth naturally persevere in yt state in wch it is unlesse it bee interrupted by some externall cause, hence... [a] body once moved will always keepe ye same celerity, quantity & determination of its motion.
Isaac Newton