Science in the past (and partly in the present), was dominated by one-sided empiricism. Only a collection of data and experiments were considered as being 'scientific' in biology (and psychology); forgetting that a mere accumulation of data, although steadily piling up, does not make a science.
p. 100 cited in: Edward Goldsmith (1970-73/2013) Towards a Unified Science - General System Theory (1968) - 4. Advances in General Systems Theory