Warren Buffett, Isaac Newton and the fourth law of money

Somewhere between what your investments earn and what you actually keep, a portion goes missing every year. It is charged by nobody you could name and appears on no statement you will ever receive. Warren Buffett worked out where it goes, why almost no investor escapes it, and how large it has quietly become. He then reduced the whole thing to a single law of motion that Isaac Newton, who lost a fortune in the markets, never got around to discovering.

Raccontata daeconomictimes.indiatimes.com