Nietzsche had some really different ideas about who we are compared to many thinkers before him. Here's a simpler breakdown of his thoughts:

1. Changing Identity:

   • While philosophers like Plato and Descartes believed that our identity is set and unchanging, Nietzsche thought that we are always changing, like a river that flows.

2. Desire for Power:

   • He said that what defines us is our drive to improve ourselves and make our mark in the world. This is different from usual beliefs about right and wrong.

3. Übermensch:

   • Nietzsche introduced the idea of the Übermensch, or "Overman," which encourages us to create our own values and beliefs instead of just following what society tells us to do.

In short, Nietzsche wants us to see ourselves as people who are always evolving and making our own paths, which is different from older ideas that say we have a fixed, unchanging essence.