P108 "Some books are to be tasted, others to be swallowed, and some few to be chewed and digested: that is, some books are to be read only in parts, others to be read, but not curiously, and some few to be read wholly, and with diligence and attention."Francis Bacon. (1625). "Of Studies".
P139 Di Stefano, G., Gino, F., Pisano, G. P., Staats, B. and Di-Stefano, G, "Learning by thinking: How refection aids performance", Boston: Harvard Business School, 2014.