A genius has perhaps scarcely ever appeared amongst the negroes, and the standard of their morality is almost universally so low that it is beginning to be acknowledged in America that their emancipation was an act of imprudence.

Sending children away to get control of their anger perpetuates the feeling of 'badness" inside them...Chances are they were already feeling not very good about themselves before the outburst and the isolation just serves to confirm in their own minds that they were right.

Everything evil is revenge.

The genius which runs to madness is no longer genius.

But the higher a man mounts, the greater may be his fall; all genius is a conquering of chaos, mystery.

In those rare individual cases where women approach genius they also approach masculinity.

There are transitional forms between the metals and non-metals; between chemical combinations and simple mixtures, between animals and plants, between phanerogams and cryptogams, and between mammals and birds [...]. The improbability may henceforth be taken for granted of finding in Nature a sharp cleavage between all that is masculine on the one side and all that is feminine on the other; or that any living being is so simple in this respect that it can be put wholly on one side, or wholly on the other, of the line.