在科学中，最重要的不是获得新的事实，而是发现新的思考方式。
The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
The human soul is a labyrinth, full of twists and turns, and we are all trying to find our way out.
选自汉·桓宽《盐铁论·散不足》。这句话以积土成山、列树成林为喻，说明积少成多、打好基础的重要性。