Eli5: What does ‘I think therefore I am’ mean and why is it a big deal?

Question

Eli5: What does ‘I think therefore I am’ mean and why is it a big deal?

In: Culture

Answer 1

Try this experiment. Imagine yourself as a body without a consciousness. It’s very difficult or even impossible to really do. Now imagine yourself as a consciousness without a body. Not that difficult to imagine.