It's more that I'm saying humans have agency (in the philosophical meaning of the word). You can't know with 100% certainty what a person will do, even with per

It's more that I'm saying humans have agency (in the philosophical meaning of the word). You can't know with 100% certainty what a person will do, even with perfect knowledge of everything about them. You can predict with very high confidence, but never certainty, because people can (and occasionally do) act randomly. That said, I do believe that people are more or less the sum of their parts and I accept that genetics are especially important. However, there are always people who defy expectations. I just don't except that it is a totally deterministic connection.