The answer is no, the law of attraction is not scientifically proven. There is no empirical evidence to support the claim that our thoughts can directly influence our external reality.
However, there is evidence that our thoughts and attitudes can influence our behavior and outcomes, which can indirectly affect our life experiences.
The Absence of Concrete Scientific Evidence
At its core, the Law of Attraction lacks the support of concrete scientific evidence to validate its fundamental premise.
This absence of empirical backing remains a critical point of contention in the discussion surrounding the concept.
One frequent assertion made by proponents of the Law of Attraction is the connection between this concept and quantum physics.
They argue that quantum physics principles substantiate the idea that thoughts and emotions can directly influence external reality.
However, it’s crucial to note that such interpretations of quantum physics are often inaccurate or misleading.
Quantum physics is a complex and well-established field of science, but it does not explicitly endorse the concept that thoughts alone can shape reality in the manner proposed by the Law of Attraction.
The Roots in New Thought Philosophy
The Law of Attraction finds its origins in the New Thought philosophy, which asserts that one’s thoughts and emotions can attract positive or negative experiences into their life.
While this philosophy is intriguing, it has not gained the necessary scientific validation to be considered a legitimate scientific theory.
In academic and scientific circles, it is generally regarded as pseudoscience, falling outside the realm of empirical and testable scientific principles.
The Influence of Thoughts and Attitudes
While the Law of Attraction remains scientifically unproven, there is a compelling aspect to consider: research in psychology and behavioral science suggests that thoughts and attitudes can influence behavior and outcomes. 
Maintaining a positive mindset, for example, can lead to increased motivation, resilience, and goal-oriented behavior.
These psychological attributes are widely recognized as valuable contributors to achieving desired outcomes.
A Nuanced Perspective
In summary, the Law of Attraction, in the form it is commonly presented, remains unverified by robust scientific evidence.
Therefore, it’s crucial to approach it with a degree of skepticism and critical thinking, especially when evaluating claims that thoughts alone can manifest external reality.
However, the idea that thoughts and attitudes can significantly impact our lives is not without merit. The influence of thoughts and attitudes on behavior and outcomes is a subject of interest in psychology and behavioral science.
It is essential to distinguish between the broad influence of attitudes and the specific, often mystical assertions of the Law of Attraction when assessing its relevance to our lives.
The law of attraction is not scientifically proven. There is no empirical evidence to support the claim that our thoughts can directly influence our external reality.
There is evidence that our thoughts and attitudes can influence our behavior and outcomes, which can indirectly affect our life experiences.
The law of attraction is a metaphysical belief, not a scientific fact.
It may be helpful for some people as a motivational tool or a coping strategy, but it should not be taken as a universal truth or a guarantee of success.
The law of attraction does not replace the need for hard work, realistic planning, and personal responsibility.