In short, intelligence, considered in what seems to be its original feature, is the faculty of manufacturing artificial objects, especially tools to make tools, and of indefinitely urging the manufacture. Henri BergsonCreative Evolution. Ch. II.
Instinct perfected is a faculty of using and even constructing organized instruments; intelligence perfected is the faculty of making and using unorganized instruments. Henri BergsonCreative Evolution. Ch. II.
The growth of the intellect is spontaneous in every expansion. The mind that grows could not predict the times, the means, the mode of that spontaneity. God enters by a private door into every individual. EmersonEssays. Intellect.
A man is not a wall, whose stones are crushed upon the road; or a pipe, whose fragments are thrown away at a street corner. The fragments of an intellect are always good. George SandHandsome Lawrence. Ch. II.