I have no sympathy for those who, under any pressure of circumstances, sacrifice their heart's-love for legal prostitution.

I hope and believe my co-religionists understand and admit that I disclaim their theology in toto, and that by no twisting of language or darkening of its meanings can I be made to have any thing whatever in common with them about religious matters... they must take my word for it that there is nothing in common between their theology and my philosophy.

If the national mind of America be judged of by its legislation, it is of a very high order ... If the American nation be judged of by its literature, it may be pronounced to have no mind at all.

The highest condition of the religious sentiment is when. . . the worshiper not only sees God everywhere, but sees nothing which is not full of God.

Marriage ... is still the imperfect institution it must remain while women continue to be ill-educated, passive, and subservient.

The instruction furnished is not good enough for the youth of such a country ... There is not even any systematic instruction given on political morals: an enormous deficiency in a republic.

His subject is the "Origin of Species," & not the origin of Organization; & it seems a needless mischief to have opened the latter speculation at all.