Those who cannot remember the pastare condemned to repeat it. or: Those who have never heard of good system development practice are condemned to reinvent it.
George SantayanaWhat brings enlightenment is experience, in the sad sense of this word--the pressure of hard facts and unintelligible troubles, making a man rub his eyes in his waking dream, and put two and two together. Enlightenment is cold water.
George Santayana