This sentence contradicts itself - no actually it doesn't.

You can never represent yourself totally .... to seek self -knowledge is to embark on a journey which ... will always be incomplete, cannot be charted on a map, will never halt, cannot be described.

Many people believe that our lives end not when we die but when the very last person who knew us dies. Memory is part of it, yes, but I think it's much more than memory.

You can imagine a soul as being a detailed, elaborate pattern that exists very clearly in one brain. When a person dies, the original is no longer around. But there are other versions of it in other people's brains. It's a less detailed copy, it's coarse-grained.

This sentence contradicts itself - no actually it doesn't.

It is an inherent property of intelligence that it can jump out of a task which it is performing and survey what it has done.

In fact, a sense of essence is, in essence, the essence of sense, in effect.