The past is hidden somewhere outside the realm, beyond the reach of intellect, in some material object (in the sensation which that material object will give us) which we do not suspect.
过去隐藏在我们无法察觉的某个物质对象中（在那个物质对象会给我们带来的感觉中），在理智无法触及的领域之外。
释义：尺子不准确，画不出方形；圆规不标准，画不出圆形。
A good system design is one that makes it easy to do the right thing and hard to do the wrong thing.
The only real wisdom is the wisdom of the heart.