#systems

"Big whirls have little whirls,That feed on their velocity;And little whirls have lesser whirls,And so on to viscosity."

"Sufficiently simple natural structures are predictable but uncontrollable, whereas sufficiently complex symbolic descriptions are controllable but unpredictable."

"Everything must be made as simple as possible. But not simpler."

"Today the network of relationships linking the human race to itself and to the rest of the biosphere is so complex that all aspects affect all others to an extraordinary degree. Someone should be studying the whole system, however crudely that has to be done, because no gluing together of partial studies of a complex nonlinear system can give a good idea of the behavior of the whole."

"An ocean traveler has even more vividly the impression that the ocean is made of waves than that it is made of water."

"The tendency has always been strong to believe that whatever received a name must be an entity or being, having an independent existence of its own. And if no real entity answering to the name could be found, men did not for that reason suppose that none existed, but imagined that it was something peculiarly abstruse and mysterious."