What is the difference betwen human beings and animals?

In their activities and interests, humans and animals have several characteristics in common:

• Animals eat. Human beings also have to eat.
• Animals sleep. Human beings also need sleep.
• Animals have sex to procreate. Humans also have sex.
• Animals defend themselves; they fight. Human beings also have to defend themselves.

Despite the similarities, there is a fundamental difference between human beings and animals. What is that difference?

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