The successful construction of all machinery depends on the perfection of the tools employed; and whoever is a master in the arts of tool-making possesses the key to the construction of all machines... The contrivance and construction of tools must therefore ever stand at the head of the industrial arts.

p. 173; As cited in: Samuel Smiles (1864) Industrial biography; iron-workers and tool-makers, p. 245 - The Exposition of 1851: Views Of The Industry, The Science, and the Government Of England, 1851