There are few persons who have not, at some period of their lives, amused themselves in retracing the steps by which particular conclusions of their own minds have been attained. The occupation is often full of interest and he who attempts it for the first time is astonished by the apparently illimitable distance and incoherence between the starting-point and the goal.

Coincidences, in general, are great stumbling-blocks in the way of that class of thinkers who have been educated to know nothing of the theory of probabilities---that theory to which the most glorious objects of human research are indebted for the most glorious of illustration.

There are few cases in which mere popularity should be considered a proper test of merit; but the case of song-writing is, I think, one of the few.

A fool, for example, thinks Shakespeare a great poet . . . yet the fool has never read Shakespeare.