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

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

For one person who is blessed with the power of invention, many will always be found who have the capacity of applying principles.

In England, the profession of the law is that which seems to hold out the strongest attraction to talent, from the circumstance, that in it ability, coupled with exertion, even though unaided by patronage, cannot fail of obtaining reward.

Long intervals frequently elapse between the discovery of new principles in science and their practical application... Those intellectual qualifications, which give birth to new principles or to new methods, are of quite a different order from those which are necessary for their practical application.

An object is frequently not seen, from not knowing how to see it, rather than from any defect of the organ of vision.

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