I am just learning to notice the different colors of the stars, and already begin to have a new enjoyment.
The greatest object in educating is to give a right habit of study.
We especially need imagination in science.
To read a book, to think it over, and to write out notes is a useful exercise; a book which will not repay some hard thought is not worth publishing.
There is no cosmetic for beauty like happiness.
The world of learning is so broad, and the human soul is so limited in power!
I have worn myself thin trying to find out about this comet, and I know very little now in the matter.
The love of one's own sex is precious, for it is neither provoked by vanity nor retained by flattery; it is genuine and sincere.
I would as soon put a girl alone into a closet to meditate as give her only the society of her needle.
The best that can be said of my life so far is that it has been industrious, and the best that can be said of me is that I have not pretended to what I was not.
That knowledge which is popular is not scientific.
Study as if you were going to live forever; live as if you were going to die tomorrow.
Question everything.
People have to learn sometimes not only how much the heart, but how much the head, can bear.
It is sad to see a woman sacrificing the ties of the affections even to do good.