The psychologist must avoid all forms of mental physics.
用扭曲的人性之材，造不出完全笔直的东西。
效率是企业的竞争力，没有效率就没有优势。
解释：河流川泽中有污水，深山草野中藏有瘴气，美玉也有微小的瑕疵。
The magi, as you know, were wise men—wonderfully wise men—who brought gifts to the Babe in the manger. They invented the art of giving Christmas presents. Being wise, their gifts were no doubt wise ones, possibly bearing the privilege of exchange in case of duplication.