In fact, doing academic research is like laying brick on brick to build a wall. One confirmed fact after another is put meticulously in place, building up knowledge one course at a time; as in a real wall, a misplaced brick may make the whole structure unstable or even cause it to collapse.
對於吳密察而言，學術研究其實就像疊磚塊，「一個事實確認，再疊著另一個事實確認，一層層小心翼翼堆疊上去，不能錯擺一塊，也不能有鬆動漏失。