Quote by Franklin D. Roosevelt
The barrier between success is not something which exists in the real world: it is composed purely and simply of doubts about ability.
Summary
This quote suggests that the main obstacle preventing success is not any external factor, but rather one's own doubts and lack of belief in their abilities. The quote highlights the idea that success is within reach if one can overcome self-doubt and develop self-confidence. It implies that one's mindset and attitude play crucial roles in achieving success and that removing doubts about one's own abilities is key to breaking down the barriers that hinder progress.