"If you ever want to eat a tuna sandwich again, don't go to a tuna factory. I visited one where they had two lines: one was the human food line and one was the cat food line - and they didn't look any different"

This quote by Mark Mobius is a funny method of alerting people to be cautious about where they get their food from. He is recommending that if you want to consume a tuna sandwich, you need to not go to a tuna factory. This is because he visited one where the food lines for human beings and felines were identical. This implies that the tuna factory was not taking the necessary preventative measures to guarantee that the food they were producing was safe for human intake. It is a tip to be conscious of where our food is coming from and to make sure that it is safe to eat. It is also a tip to be aware of the conditions in which our food is being produced and to make sure that it is being produced in a safe and ethical way.