Cervantes & Tennyson both warned that these "have ears"
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That Stella loves to talk with fellows: But let me warn you to believe A truth, ...... 
Woods have tongues, As walls have ears: but thou shalt go with me, And we will
... [DOC] [TLE] (William Barclay).doc -  [PAR] Man's trouble has always been that he is haunted both by sin and by goodness.