This quote reminds us that our thoughts shape our actions. What we believe about ourselves often becomes our truth. If a person believes they are capable of reaching a goal, they are more likely to work hard, stay focused, and keep trying—even when things get tough. But if someone keeps telling themselves, “I can’t do this,” they might stop trying before they’ve even started. The way we talk to ourselves matters more than we think.

Imagine a student who dreams of becoming a doctor but struggles with science. If she keeps thinking, “This is too hard, I’m not smart enough,” she may lose the will to study or ask for help. But if she changes that thought to, “This is hard, but I can learn it step by step,” she begins to train her mind to look for solutions instead of excuses. With time, effort, and a positive mindset, she starts to improve—and her dream feels more reachable.

Success begins in the mind. When we believe in our ability to grow and improve, we create the strength to keep going. Training our thoughts towards belief and effort is the first step to achieving anything.