 
				 
				 
				 
				 
				 
				 
				 
				 
				 
				 
				 
					 A proverb. You'll never teach your grandfather how to do his income tax on a personal computer. You can't teach an old dog new tricks.
 A proverb. You'll never teach your grandfather how to do his income tax on a personal computer. You can't teach an old dog new tricks.Copyright: Proverb ©
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