If you look to lead, invest at least 40% of your time managing yourself - your ethics, character, principles, purpose, motivation, and conduct. Invest at least 30% managing those with authority over you, and 15% managing your peers. ↗
I've always said, since I got to know him and wrote about him, that he's the generation he least appeals to is his own and I think in many ways he was born middle-aged and that's become apparent in recent years. ↗