Even such a seemingly trivial and “normal” thing as the compulsive need to be right in an argument and make the other person wrong—defending the mental position with which you have identified—is due to the fear of death... So you as the ego cannot afford to be wrong. To be wrong is to die. p. 32

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "Even such a seemingly trivial and “normal” thing as the compulsive need to be right in an argument and make the other person wrong—defending the mental position with which you have identified—is due to the fear of death... So you as the ego cannot afford to be wrong. To be wrong is to die. p. 32" in the context of "Eckhart Tolle in The Power of Now: A Guide to Spiritual Enlightenment (1997)" to mean that wisdom is timeless.