"The power of steam is like a wild horse; it must be harnessed with precision."

"When once the idea of the separate condensation was started, all these improvements followed as corollaries in quick succession, so that in the course of one or two days the invention was thus far com…"

"In the mean time do all you can to cure him of Bashfullness which will ruin him in this impudent age; but beware he be not led into the opposite vice of self conceit or arrogance which is 1000 times w…"

"I have made an engine that shall not waste a single particle of steam."

"I had gone on a walk on a fine Sabbath afternoon. I had entered the Green [of Glasgow] by the gate at the foot of Charlotte Street—had passed the old washing-house. I was thinking upon the engine at t…"