While her talk was usually as simple as a child's, and her meditations on men and things were not a bit systematic or logical, her decisions and actions were generally just what they should be.
Some one may wish to know whether she was clever enough to see through the character of Coronado.

She was clever enough, but not corrupt enough.

Very pure people cannot fully understand people who are very impure.

It is probable that angels are considerably in the dark concerning the nature of the devil, and derive their disagreeable impression of him mainly from a consideration of his actions.

Clara, limited to a narrow circle of good intentions and conduct, might not divine the wide regions of wickedness through which roved the soul of Coronado, and must wait to see his works before she could fairly bring him to judgment.
Of course she perceived that in various ways he was insincere.