What figurative language is Truly sir all that you live by is the awl?

It is a pun - a humorous play on Words between "awl" (a cobbler's tool) and "all". The quote in the question is not quite correct - it is "all that I live by..." and is from Act 1 scene 1 of Shakepeare's Julius Caesar. There is a string of puns in the opening scene to draw in audience attention. It is a pun - a humorous play on Words between "awl" (a cobbler's tool) and "all". The quote in the question is not quite correct - it is "all that I live by..." and is from Act 1 scene 1 of Shakepeare's Julius Caesar. There is a string of puns in the opening scene to draw in audience attention. It is a pun - a humorous play on Words between "awl" (a cobbler's tool) and "all". The quote in the question is not quite correct - it is "all that I live by..." and is from Act 1 scene 1 of Shakepeare's Julius Caesar. There is a string of puns in the opening scene to draw in audience attention. It is a pun - a humorous play on Words between "awl" (a cobbler's tool) and "all". The quote in the question is not quite correct - it is "all that I live by..." and is from Act 1 scene 1 of Shakepeare's Julius Caesar. There is a string of puns in the opening scene to draw in audience attention. It is a pun - a humorous play on Words between "awl" (a cobbler's tool) and "all". The quote in the question is not quite correct - it is "all that I live by..." and is from Act 1 scene 1 of Shakepeare's Julius Caesar. There is a string of puns in the opening scene to draw in audience attention. It is a pun - a humorous play on Words between "awl" (a cobbler's tool) and "all". The quote in the question is not quite correct - it is "all that I live by..." and is from Act 1 scene 1 of Shakepeare's Julius Caesar. There is a string of puns in the opening scene to draw in audience attention. It is a pun - a humorous play on Words between "awl" (a cobbler's tool) and "all". The quote in the question is not quite correct - it is "all that I live by..." and is from Act 1 scene 1 of Shakepeare's Julius Caesar. There is a string of puns in the opening scene to draw in audience attention. It is a pun - a humorous play on Words between "awl" (a cobbler's tool) and "all". The quote in the question is not quite correct - it is "all that I live by..." and is from Act 1 scene 1 of Shakepeare's Julius Caesar. There is a string of puns in the opening scene to draw in audience attention.