Mind in its purest play is like some bat  
 That beats about in caverns all alone,  
 Contriving by a kind of senseless wit  
 Not to conclude against a wall of stone.
'Mind' (1956)
Mind in its purest play is like some bat  
 That beats about in caverns all alone,  
 Contriving by a kind of senseless wit  
 Not to conclude against a wall of stone.
'Mind' (1956)