No matter who you are, no matter what your culture is, it is absolutely possible to look out and extend yourself in such a way, that you can connect to other people and find that we are more alike than we are different.
You imagine that I look back on my life's work with calm satisfaction. But from nearby it looks quite different. There is not a single concept of which I am convinced that it will stand firm, and I feel uncertain whether I am in general on the right track.
While every noble morality develops from a triumphant affirmation of itself, slave morality from the outset says No to what is "outside," what is "different," what is "not itself"; and this No is its creative deed.