“Do the parts together produce an effect that is different from the effect of each part on its own?”
More from Donella H. Meadows
“The time lags imposed by stocks allow room to maneuver, to experiment, and to revise…”
“A stock takes time to change, because flow takes time to flow.”
“The elements, the parts of systems we are most likely to notice, are often (not always)…”
“A system generally goes on being itself, changing only slowly if at all, even with…”