Ego is a social institution with no physical reality. The ego is simply your symbol of yourself. Just as the word "water" is a noise that symbolizes a certain liquid without being it, so too the idea of ego symbolizes the role you play, who you are, but it is not the same as your living organism.

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "Ego is a social institution with no physical reality. The ego is simply your symbol of yourself. Just as the word "water" is a noise that symbolizes a certain liquid without being it, so too the idea of ego symbolizes the role you play, who you are, but it is not the same as your living organism." in the context of "Alan Watts, in Buddhism : The Religion of No-Religion (1999)" to mean that wisdom is timeless.