The educator must be a psychologist in order to understand the child.
教育者必须是一位心理学家,以便理解儿童。
A long habit of not thinking a thing wrong gives it a superficial appearance of being right.
心理学家必须不带预设地研究心灵。
解释:甜味食物走肉,肉病的人不宜多食,说明饮食需与病症相宜。