Jaak Panksepp, a neuroscientist (1943 - 2017), is quoted 3 times on QuoteForever. The subjects that come up most often are Cease, Conversation, Dogma and Brain.
Quotes with a ready-made image come first, then the rest in order of how often they are read and shared. Open any quote to copy it, share it, or turn it into a picture quote.