In today’s world of stress and uncertainty, mental well-being is more important than ever.
Millions of people face difficulties every day — from mild anxiety to more serious conditions like depression, anxiety disorders, or post-traumatic stress disorder (PTSD).
These challenges can significantly impact your quality of life, making it harder to enjoy everyday moments, build warm relationships, and reach your goals.
If you’re reading this and feel like something is preventing you from living life to the fullest — you’re not alone, and it’s a natural feeling.
Even the most successful and outwardly calm people deal with unhelpful beliefs and internal barriers.
Often, these roots go back to childhood, shaped by traumatic events or difficult circumstances.
It’s important to remember: having these difficulties doesn’t make you “broken” — it’s simply part of the human experience.
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If you’re looking for change, we invite you on an engaging journey into the world of CBT.
This effective approach helps you understand yourself better and provides tools to manage your thoughts and emotions.
In this chapter, we’ll start by introducing the core ideas of the method.
Our thoughts shape our perception, and that perception determines how we live.
Rebecca Walker
Whether your struggles seem minor or cause significant distress — from temporary low moods to long-term symptoms — CBT can be a valuable resource.
Right now, we’ll offer a simplified model of the key concepts, and in the following chapters, we’ll dive into the details.
In CBT, the mind is conceptually described through three levels: core beliefs, intermediate beliefs (rules), and automatic thoughts.
A key idea in CBT is that the way we interpret situations can strongly influence how we feel and respond.
Learning to notice and examine our thinking can help us respond to situations in more balanced and helpful ways.
This is just a brief summary of CBT, but there are many more important details ahead that we look forward to sharing.
To make it clearer, let’s imagine an apple tree.
In this metaphor, the roots are your core beliefs: your fundamental ideas about yourself, the world, and others.
They are shaped by early experiences and often remain outside of awareness. Examples: “I am unworthy of love” or “The world is a dangerous place.”
The trunk represents your intermediate beliefs — the rules and assumptions that guide you day to day.
They are built upon your core beliefs and direct your reactions. Examples: “If I’m not perfect, people won’t love me” or “I must always be on guard to survive.”
The crown of the tree represents your automatic thoughts: quick, spontaneous reactions to events.
They are like the fruit on the tree — they can be “helpful” or “unhelpful.” Examples: “I’m late, so I should leave earlier next time” or “I’m late, so I’m a failure.”
Each of us has our own “tree,” and we view every event through its lens.
This is why the same situation can trigger completely different emotions in different people — meaning is assigned through your own beliefs.
This is how a wide range of emotional reactions can develop — even in response to seemingly identical events.
Let’s look at an example. Two colleagues receive the same feedback at work:
Maria: through her early experiences, she developed the core belief, “I am not good enough.”
Her intermediate belief is: “To be valued, I must be perfect.” When she receives criticism, she thinks: “I’ve ruined everything, my boss is disappointed, I’m going to lose my job.” The result — fear, anxiety, and exhaustion.
Kristina: she has a different core belief — “I am capable of learning and growing.”
Her intermediate belief is: “Criticism is an opportunity to improve.” After hearing the feedback, she thinks: “My boss pointed out some weaknesses — this will help me improve my work.” The result — calmness, motivation, and a readiness to fix mistakes.
So, the event is exactly the same — feedback from a boss.
But the reactions are opposites — due to the differences in their core and intermediate beliefs.
CBT helps you notice and change these beliefs so you can react more constructively and maintain emotional balance.
Since everyone has their own “tree model,” even identical situations are perceived differently.
In response to these situations, automatic thoughts are born, which in turn influence your emotions and behavior.
We will certainly discuss the connection between thoughts, emotions, and behavior in more detail in the following chapters.
This chapter has provided a general overview, so don’t worry if you still have many questions — we will return to these ideas and break them down in more detail.
We suggest approaching this material with an open mind and a readiness to experiment. Put these techniques into practice — and let your life become fuller, more joyful, and more harmonious.

