Scientist

As a general rule, people disappoint you as you know them.

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.

Altogether, St. Louis is a growing place, and the West has a large hand and a strong grasp.

I was born, for instance, incapable of appreciating music.

There is no cosmetic for beauty like happiness.

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.

It is sad to see a woman sacrificing the ties of the affections even to do good.

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

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.

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

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.

Study as if you were going to live forever; live as if you were going to die tomorrow.

Every formula which expresses a law of nature is a hymn of praise to God.

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.

We especially need imagination in science. It is not all mathematics, nor all logic, but it is somewhat beauty and poetry.