Maria Mitchell, Maria Mitchell: Life, Letters, and Journals
“ I have just gone over my comet computations again, and it is humiliating to perceive how very little more I know than I did seven years ago when I first did this kind of work. To be sure, I have only once in the time computed a parabolic orbit; but it seems to me that I know no more in general. I think I am a little better thinker, that I take things less upon trust, but at the same time I trust myself much less. The world of learning is so broad, and the human soul is so limited in power! ”
