Think Big! is a motivational book in which Ben Carson shares the principles that helped him overcome early challenges in life and achieve extraordinary success. Growing up in poverty and facing numerous struggles, Carson learned to overcome adversity through hard work, perseverance, and positive thinking. In Think Big!, he emphasizes the importance of maintaining a positive attitude, setting ambitious goals, and having a clear vision of one's future.

The book outlines six key principles for success:

1. T – Talent (believing in your abilities)
2. H – Hope (having a positive outlook)
3. I – Insight (gaining wisdom through learning)
4. N – Nice (being compassionate and kind)
5. K – Knowledge (continuously seeking to learn)
6. B – Books (using books as a tool for growth)
7. I – In-depth Learning (always striving for mastery)
8. G – God (relying on faith as a source of strength)

Through personal anecdotes and practical advice, Carson inspires readers to believe in their dreams and equips them with tools for achieving greatness in their personal and professional lives.