Expertise from Forbes Councils members, operated under license. Opinions expressed are those of the author. First principles thinking is a method of problem-solving that involves breaking down complex ...

About five years ago, I wrote a book called Principles: Life and Work. The book outlines the principles for success–frameworks for rational decision-making–that I developed for myself and Bridgewater.

Local private schools that are run on basic business principles have plans to expand in ventures that charge upward of $1,000 a month, with more customers born every day. The schools have begun to ...