4 (appropriate to this thread) quotes to live by
1 Know thyself( the Delphi oracle)
2 But above all else to thine own self be true(Hamlet)
3 Timeo danaos et dona ferentes( I mistrust these Greeks even if they bear gifts)(Homer The Iliad)
4 Put not your faith in Princes ( the Bible)
They counsel self knowledge, conscience and caution in equal parts.