Issac Newton, (1642-1727) English physicist, mathematician, astronomer, natural philosopher, alchemist and theologian Share on Facebook Share on Twitter Comment on this quote Share via Email Print this Page [1-1] of 1 Issac Newton quotesIssac Newton QuotesIssac Newton I can calculate the motions of heavenly bodies, but not the madness of people.~ Issac Newton Share on Facebook Tweet Email Print