Said to be father of capitalism. As a result of his economic ideas, a shift towards laissez-faire (government hands off) capitalism and a free-market economy.

Believed that if people are free to compete, it is in their self-interest to improve as those who are better, faster, stronger and smarter will sell more products and services.

Was against Mercantilism system

Most important contributor to liberal thought.

Believed that every individual should be free as possible, so long as their actions do not harm or trample of the rights of others.

Government only had three roles: preserve rule of law, protect private property, and ensure security of individual.

Advocated that freedom of speech was essential because a mass mind (one common way of thinking) leads to intolerance against individual voices.

• Philosopher / Talked about Ideologies
• Human nature is characterized by fear, violence, and dangerous self-interest
• Extreme individualism
• Too dangerous to let people do what they want
• Security is more important than freedom
• People entered into a social contract with government as they allowed one person to be responsible for everyone's security.