The hypothesis of mental continuity throughout organic evolution may be used in two different ways.

贯穿有机进化的心理连续性假说可以以两种不同的方式使用。

On the other hand, we guard ourselves against a conceit which would assert itself even here: that man is the great second thought in the process of organic evolution.

另一方面，我们要提防一种自负，这种自负即使在这里也会自以为是：人是有机进化过程中的第二大思想。