A tool is usually more simple than a machine it is generally used with the hand, whilst a machine is frequently moved by animal or steam power. – Charles Babbage
Another mode of accumulating power arises from lifting a weight and then allowing it to fall. – Charles Babbage
At each increase of knowledge, as well as on the contrivance of every new tool, human labour becomes abridged. – Charles Babbage
I am inclined to attach some importance to the new system of manufacturing and venture to throw it out with the hope of its receiving a full discussion among those who are most interestedin the subject. – Charles Babbage