Sit down (okay, since you're in front of a screen, chances are that you already are sitting) and close your eyes...
...well not this very second. wait til you're done reading the OP.
Think of what "I" is to you in its most basic sense. Drop anything that isn't "I". Eliminate anything that is not intrinsic to experience or perception. Drop anything that is not the experiencer.
Is your "I", it its most basic sense, mutable (subject to change) or immutable (unchanging in nature; constant)?
How do you know this?
...well not this very second. wait til you're done reading the OP.
Think of what "I" is to you in its most basic sense. Drop anything that isn't "I". Eliminate anything that is not intrinsic to experience or perception. Drop anything that is not the experiencer.
Is your "I", it its most basic sense, mutable (subject to change) or immutable (unchanging in nature; constant)?
How do you know this?