Maslow, the master of American humanistic psychology, said that self-actualization is our highest need.

Rogers, a master of American humanistic psychology, said that the process of our life is the process of being ourselves and becoming ourselves.

Montessori, an Italian early childhood education expert, said that we have a spiritual embryo as soon as we are born, and we will make choices that suit ourselves under the guidance of this spiritual embryo since we were young.

The Lebanese poet Gibran said that parents only gave their children a physical body, and they should not regard themselves as their children's spiritual parents.

Using memory instead of thinking, using recitation instead of vivid perception and observation of the essence of phenomena - this is a major drawback that makes children dull and eventually lose their desire to learn.

Persuasion is worse than coercion, volition is worse than command, and initiative is worse than passivity.

Loving children is something even a hen can do, but one must be good at educating them - this is a great cause that requires talent and extensive knowledge.

The principle of life revealed by copper coins is that the outside is a circle and the inside is a square. Square means being upright and possessing excellent qualities; round means being experienced, tactful and making good use of skills.