The _Liberty_ was more directly and literally our joint production than anything else which bears my name, for there was not a sentence of it that was not several times gone through by us together, turned over in many ways, and carefully weeded of any faults, either in thought or expression, that we detected in it. It is in consequence of this that, although it never underwent her final revision, it far surpasses, as a mere specimen of composition, anything which has proceeded from me either before or since. With regard to the thoughts, it is difficult to identify any particular part or element as being more hers than all the rest. The whole mode of thinking of which the book was the expression, was emphatically hers. But I also was so thoroughly imbued with it, that the same thoughts naturally occurred to us both. That I was thus penetrated with it, however, I owe in a great degree to her. There was a moment in my mental progress when I might easily have fallen into a tendency towards over-government, both social and political; as there was also a moment when, by reaction from a contrary excess, I might have become a less thorough radical and democrat than I am. In both these points, as in many others, she benefited me as much by keeping me right where I was right, as by leading me to new truths, and ridding me of errors. My great readiness and eagerness to learn from everybody, and to make room in my opinions for every new acquisition by adjusting the old and the new to one another, might, but for her steadying influence, have seduced me into modifying my early opinions too much. She was in nothing more valuable to my mental development than by her just measure of the relative importance of different considerations, which often protected me from allowing to truths I had only recently learnt to see, a more important place in my thoughts than was properly their due.