“I was a little doubtful about the propriety of going to the Mammoth Cave without a gentleman escort, but if two ladies travel alone they must have the courage of men.”
“I would as soon put a girl alone into a closet to meditate as give her only the society of her needle.”
“There is no cosmetic for beauty like happiness.”
“We especially need imagination in science.”
“We have a hunger of the mind which asks for knowledge of all around us, and the more we gain, the more is our desire the more we see, the more we are capable of seeing.”
“That knowledge which is popular is not scientific.”
“I am just learning to notice the different colors of the stars, and already begin to have a new enjoyment.”
“The world of learning is so broad, and the human soul is so limited in power!”
“Every formula which expresses a law of nature is a hymn of praise to God.”
“It is sad to see a woman sacrificing the ties of the affections even to do good.”
“We travel to learn and I have never been in any country where they did not do something better than we do it, think some thoughts better than we think, catch some inspiration from heights above our own.”