You’re taking this out of context, changing the meaning of the original author…
I’ve never asked permission to do anything. Admittedly, it got me in trouble sometimes, but most of the times, it propelled me miles ahead of others.
Never ask for permission. Do what you need to do and apologize if needed later. Staying safe will never get you to where you want to go.
This is actually bad advice. Advanced password cracking software employ a combination of dictionaries and common phrases. Using written phrases that could be sourced from public sources is bad practice. It actually takes very little time to go trough huge databases (often public domain text sources) when cracking hashes.