To be is to be perceived.

All those bodies which compose the mighty frame of the world have not any subsistence without a mind.

And what are these fluxions? May we not call them the ghosts of departed quantities?

Ask why this pond stays so clear: because living water keeps flowing from its source.

-- Zhu Xi

The history of all hitherto existing society is the history of class struggles.

-- Karl Marx

If you wish to see the laws of high thunder with a pure and skilful mind, look upon the summits of the highest heaven.

-- Boethius

The biggest mistake investors make is to believe that what happened in the recent past is likely to persist.

-- Ray Dalio

There is nothing new in Wall Street. There can't be because speculation is as old as the hills.

-- Jesse Lauriston Livermore