For most thinkers since the Greek philosophers, it was self-evident that there is something called human nature, something that constitutes the essence of man.
对于自希腊哲学家以来的大多数思想家来说，有一种叫做人性的东西是不言而喻的，它构成了人的本质。
2
In all persons, all creatures, the Self is the innermost essence.
在所有人、所有众生的内在，自我是最根本的本质。
3
If the essence of individuality can be changed by a physical accident, it implies that the brain is a mechanism which generates the self, rather than merely an organ which houses it.