It's nonsensical to derive a price/earnings ratio by dividing the known current price by unknown future earnings.
Benjamin GrahamIn the old legend the wise men finally boiled down the history of mortal affairs into a single phrase: 'This too will pass.'
Benjamin GrahamTo establish the right price for a stock, the market must have adequate information, but it by no means follows that is the market has this information it will thereupon establish the right price.
Benjamin Graham