We travel to learn and I have never been in any country where they did not do...
It is sad to see a woman sacrificing the ties of the affections even to do...
Every formula which expresses a law of nature is a hymn of praise to God.
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...
That knowledge which is popular is not scientific.
We have a hunger of the mind which asks for knowledge of all around us and...
We especially need imagination in science.
There is no cosmetic for beauty like happiness.
I would as soon put a girl alone into a closet to meditate as give her only...
I was a little doubtful about the propriety of going to the Mammoth Cave...
Success is dependent on effort.
