But now I am cabin’d, cribb’d, confined, bound in
To saucy doubts and fears.

– William Shakespeare

Macbeth, Act 3, Scene 4. Macbeth is filled with fear and doubt on hearing that Fleance has escaped the murderers sent by him to kill Fleance and his father. His feeling of unease and confinement comes after the First Murderer reports: “Fleance is ‘scaped.”