Beyond Good and Evil by Friedrich Nietzsche Chapter 7 Page 41

Finally, in this connection, there is the not unscrupulous readiness of the spirit to deceive other spirits and dissemble before them — the constant pressing and straining of a creating, shaping, changeable power: the spirit enjoys therein its craftiness and its variety of disguises, it enjoys also its feeling of security therein — it is precisely by its Protean arts that it is best protected and concealed! — COUNTER TO this propensity for appearance, for simplification, for a disguise, for a cloak, in short, for an outside — for every outside is a cloak — there operates the sublime tendency of the man of knowledge, which takes, and INSISTS on taking things profoundly, variously, and thoroughly; as a kind of cruelty of the intellectual conscience and taste, which every courageous thinker will acknowledge in himself, provided,