The difference between "the mind is always busy" and "my mind is always busy" lies in the context and perspective of the statement:
"The mind is always busy": This is a more general statement about the nature of the human mind. It suggests that in general, minds tend to be active, restless, and constantly thinking about various things. It doesn't refer to any specific individual's mind but rather describes a common characteristic of the human mind as a whole. It's a broader observation about the typical state of the mind.
"My mind is always busy": This statement is more personal and specific. It refers to the thoughts and mental activity experienced by the speaker, emphasizing that their own mind is continuously active and filled with thoughts. It reflects the individual's personal experience and may imply that the speaker is struggling with a busy or racing mind.
In summary, "the mind is always busy" is a general observation about the human mind, while "my mind is always busy" is a personal statement referring to the speaker's own mental activity. The first statement is more abstract and applies to people in general, while the second statement is more subjective and reflects the speaker's own perception of their mental state.