Learning -the kind of ignorance affected by (and affecting) civilized races, as distinguished from ignorance, the sort of learning incurred by savages. See nonsense.
I am exclusively occupied with the problem of gravitation and hope with the help of a local mathematician friend [Marcel Grossman] to overcome all the difficulties. One thing is certain, however, that never in life have I been quite so tormented. A great respect for mathematics has been instilled within me, the subtler aspects of which, in my stupidity, I regarded until now as pure luxury.