I am neither Jew nor Gentile, Mahomedan nor Theist; I am but a member of the human family...
I have wedded the cause of human improvement, staked on it my fortune, my reputation and my life.
If we bring not the good courage of minds covetous of truth, and truth only, prepared to hear all things, and decide upon all things, according to evidence, we should do more wisely to sit down contented in ignorance, than to bestir ourselves only to reap disappointment.
An opinion, right or wrong, can never constitute a moral offense, nor be in itself a moral obligation. It may be mistaken; it may involve an absurdity, or a contradiction. It is a truth; or it is an error: it can never be a crime or a virtue.
It is in vain that we would circumscribe the power of one half of our race, and that half by far the most important and influential.
How are men to be secured in any rights without instruction; how to be secured in the equal exercise of those rights without equality of instruction? By instruction understand me to mean knowledge - just knowledge; not talent, not genius, not inventive mental powers.
All that I say is, examine, inquire. Look into the nature of things. Search out the grounds of your opinions, the for and against. Know why you believe, understand what you believe, and possess a reason for the faith that is in you.
Dating, as we justly may, a new era in the history of man from the Fourth of July, 1776, it would be well, that is, it would be useful, if on each anniversary we examined the progress made by our species in just knowledge and just practice.
However novel it may appear, I shall venture the assertion, that, until women assume the place in society which good sense and good feeling alike assign to them, human improvement must advance but feebly.
Turn your churches into halls of science, and devote your leisure day to the study of your own bodies, the analysis of your own minds, and the examination of the fair material world which extends around you!
The sciences have ever been the surest guides to virtue.
Religion may be defined thus: a belief in, and homage rendered to, existences unseen and causes unknown.
It has already been observed that women, wherever placed, however high or low in the scale of cultivation, hold the destinies of human kind. Men will ever rise or fall to the level of the other sex.
These will vary in every human being; but knowledge is the same for every mind, and every mind may and ought to be trained to receive it.
Do we exert our own liberties without injury to others - we exert them justly; do we exert them at the expense of others - unjustly. And, in thus doing, we step from the sure platform of liberty upon the uncertain threshold of tyranny.