He asserted, also, that his power to follow a long and purely abstract train of thought was very limited, for which reason he felt certain that he never could have succeeded with mathematics.
他还认为,在深入理解冗长且完全抽象的一系列观点方面,自己的能力非常有限;因此,他曾深信自己在数学方面本来就不该获得成功。