Thou fool! this echo is a cheat as well, The hum of earthly instincts, and we crave A world unreal as the shell-heard sea. Criminals might be compelled to yield up their secrets to them in uncontrollable muscular vibrations, their Sub-Consciousness being tapped. For students under examination table-turning would be very useful for recalling forgotten knowledge.
It is the blood In our own veins, impetuous and near, And pulses keeping pace with hope and fear And with our feelings' every shifting mood. "Lo, in my heart I hear, as in a shell, The murmur of a world beyond the grave, Distinct, distinct, though faint and far it be. "Thou fool; this echo is a cheat as well, The hum of earthly instincts; and we crave A world unreal as the shell-heard sea."