“The world of learning is so broad, and the human soul is so limited in power!”

“I am just learning to notice the different colors of the stars, and already begin to have a new enjoyment.”

“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.”

“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.”