• 1987, #37 – Blaming everybody else does not imply you are perfect.
• 1987, #40 – Denouncing those who disagree with you is one way to cover your incompetence.

And I found one other that those who lust for power should remember:

• 1987, #43 – Always remember that the “Man Who Would Be King” ended up losing his head. (courtesy R. Kipling)