Step 1: Understanding the statement.
The statement "Man is a ferocious animal" refers to the pessimistic view of human nature proposed by:
- Hobbes, who believed that in the state of nature, without a governing authority, humans would act in self-interest, leading to conflict and violence.
- Hobbes' view is found in his work Leviathan, where he suggests that only through a strong central authority can peace and security be ensured.
Step 2: Conclusion.
The correct answer is 3. Hobbes.
Final Answer:
\[
\boxed{\text{The correct answer is 3. Hobbes.}}
\]