"There is a false saying: "How can someone who can’t save himself save others?" Supposing I have the key to your chains, why should your lock and my lock be the same?" (Nietzsche)
ref: https://academyofideas.com/2017/02/nietzsche-psychology-beco...
ref: https://academyofideas.com/2017/02/nietzsche-psychology-beco...
The road to hell is paved with good intentions. How do you know you have the key?
Eh, that might be a bit more euphemistic than I meant to be, but the point is there.