We kid ourselves if we think that the ratio of procedure to data in an active data-base system can be made arbitrarily small or even kept small.

There is a time for daring,and there is a time for caution, and a wise man understanding which is called for

没有艺术；没有文学；没有社会；最糟糕的是，持续的恐惧和暴力死亡的危险；人的生命是孤独、贫穷、丑陋、野蛮和短暂的。

The historian is a prophet looking backwards.