The Duke of Wellington said "To define it rudely but not ineptly, engineering is the art of doing for 10 shillings what any fool can do for a pound".
If you're not familiar with shillings, think of the amount as 50 cents and $1.
He did more than just win battles and invent footwear. He also had views on bureacracy and paperwork:
My Lord, If I attempted to answer the mass of futile correspondence which surrounds me, I should be debarred from the serious business of campaigning... So long as I retain an independent position, I shall see no officer under my command is debarred by attending to the futile driveling of mere quill-driving from attending to his first duty, which is and always has been to train the private men under his command that they may without question beat any force opposed to them in the field. - To the Secretary of State for War during the Peninsular Campaign