In mathematics we have long since drawn the rein, and given over a hopeless race.

I wish to God these calculations had been executed by steam.

The difference between a tool and a machine is not capable of very precise distinction; nor is it necessary, in a popular explanation of those terms, to limit very strictly their acceptation.

In turning from the smaller instruments in frequent use to the larger and more important machines, the economy arising from the increase of velocity becomes more striking.

The economy of human time is the next advantage of machinery in manufactures.

What is there in a name? It is merely an empty basket, until you put something into it.

To those who have chosen the profession of medicine, a knowledge of chemistry, and of some branches of natural history, and, indeed, of several other departments of science, affords useful assistance.