Telegraphs are machines for conveying information over extensive lines with great rapidity.

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.

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

The half minute which we daily devote to the winding-up of our watches is an exertion of labour almost insensible; yet, by the aid of a few wheels, its effect is spread over the whole twenty-four hours.

It means a whole to the community to come here and learn how to use the machines. If they don't come, they won't learn.

Errors using inadequate data are much less than those using no data at all.