Be ever questioning. Ignorance is not bliss. It is oblivion. You don't go to heaven if you die dumb. Become better informed. Lean from others' mistakes. You could not live long enough to make them all yourself.
Hyman RickoverGood ideas are not adopted automatically. They must be driven into practice with courageous impatience. Once implemented they can be easily overturned or subverted through apathy or lack of follow-up, so a continuous effort is required.
Hyman Rickover