And, while maturing his invention, he has the comfort of reflection, in all the various discouragements he meets with from petty failures, that, should he by any means fail in the grand result, he subjects himself rather to the ridicule than the sympathy of his acquaintances, who will not be slow in attributing his failure to a want of that common sense in which, by implication, they so much abound, and which preserves them from the consequences of any such delusions.
"But you will, perhaps, think that there is an offset in the honors and emoluments that await the successful inventor, one who has really demonstrated that he has made an important discovery.

This is not so.
Trials of another kind are ready for him after the appropriate difficulties of his task are over.

Many stand ready to snatch the prize, or at least to claim a share, so soon as the success of an invention seems certain, and honor and profit alone remain to be obtained.
"This long prelude, C----, brings me at the same time to the point of my argument and to my excuse for my long silence.

My argument goes to prove that, unless there is a benevolent consideration in our discoveries, one which enables us to rejoice that others are benefited even though we should suffer loss, our happiness from any honor awarded to a successful invention is exposed to constant danger from the designs of the unprincipled.

My excuse is that, ever since the receipt of your most welcome letter, I have been engaged in preparing to repel a threatened invasion of my rights to the invention of the Telegraph by a fellow-passenger from France, one from whom I least expected any such insidious design.