陶行知先生认为体健是人生的最重要因素,也是学问的一个最重要目的。学生是学习人生之道的人,学以厚生(即通过学习使身体健康)是主要的,学以伤生(即因为学习使体质下降)是断断不可的。他提出“健康第一”,要建立“健康之堡垒”,他在育才学校提出“四问”,第一问就是“问一问今? Mr. Tao Xingzhi believes that physical fitness is the most important factor in life and one of the most important goals of learning. Students are the ones who learn the way of life. Learning to use good health (that is, learning to make the body healthy) is the main thing. Learning to hurt students (that is, because of the decline in their physical constitution) is a must. He proposed “Health First” and established a “fortress of health.” He asked “Four Questions” at the Yucai School. The first question was "Ask this question?