数据库中最重要的东西是模式。
Software is under a constant tension. Being symbolic it is arbitrarily perfectible; but also it is arbitrarily changeable.
The only thing that can make you a hero is your heart.
The highest manifestation of life consists in this: that a being governs its own actions. A thing which is always subject to the direction of another is somewhat of a dead thing.
"To be useful was the best thing the old men ever hoped for themselves, and to be aimless was their worst fear."
