expression, at the best but approximate, essentially but arbitrary, until it has obtained the force of a convention, for an unseen reality apprehended by the consciousness. It is sometimes permitted to us to hope that our convention is indeed the reflection rather than merely the sign of that unseen reality. We have done much if we have found a recognisable sign.
"A symbol," says Comte Goblet d'Alviella, in his book on The Migration of Symbols, "might be defined as a representation which does not aim at being a reproduction." Originally, as he points out, used by the Greeks to denote "the two halves of the tablet they divided between themselves as a pledge of hospitality," it came to be used of every sign, formula, or rite by which those initiated in any mystery made themselves secretly known to one another. Gradually the word extended its meaning, until it came to denote every conventional representation of idea by form, of the unseen by the visible. "In a Symbol," says Carlyle, "there is concealment and yet revelation: hence, therefore, by Silence and by Speech acting together, comes a double significance." And, in that fine chapter of
