One or more of the following statements might be described as true or false.

• The hardest thing to learn is restraint.
  
• The hardest things to restrain are the learned.
  
• The most learned restrain what is hardest.
  
• The learned make hard that which is restrained.
  
• The most restrained make hard that which is learned.
  
• The restrained learn to harden.
  

(Hint: they are all true)