Moral truth, resting entirely upon the ascertained consequences of actions, supposes a process of observation and reasoning.

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.

Knowledge signifies things known. Where there are no things known, there is no knowledge. Where there are no things to be known, there can be no knowledge. We have observed that every science, that is, every branch of knowledge, is compounded of certain facts, of which our sensations furnish the evidence. Where no such evidence is supplied, we are without data; we are without first premises; and when, without these, we attempt to build up a science, we do as those who raise edifices without foundations. And what do such builders construct? Castles in the air.

Opinions are not to be learned by rote, like the letters of an alphabet, or the words of a dictionary. They are conclusions to be formed, and formed by each individual in the sacred and free citadel of the mind, and there enshrined beyond the arm of law to reach, or force to shake; ay! and beyond the right of impertinent curiosity to violate, or presumptuous arrogance to threaten.

... we have broken down the self-respecting spirit of man with nursery tales and priestly threats, and we dare to assert, that inproportion as we have prostrated our understanding and degraded our nature, we have exhibited virtue, wisdom, and happiness, in our words, our actions, and our lives!

... it would be impossible for women to stand in higher estimation than they do here. The deference that is paid to them at all times and in all places has often occasioned me as much surprise as pleasure.

You have heard of, and studied various systems of philosophy; but real philosophy is opposed to all systems.