A sentence whose nature cannot be changed.

The nature is introduced as follows:

Nature, Chinese word, pinyin: b ě n xing, that is, nature, inherent nature, personality, character, temperament and so on. Xunzi's theory of evil nature: However, it is human nature to accumulate falsehood in etiquette and righteousness. Xie's Literary Mind and Carving Dragons in the Southern Dynasties: Fu is in the same place, and the heart is in nature; Articles are learned and can be gifted.

Personality introduction is as follows:

Personality is a person's stable attitude towards reality and the personality characteristics shown in habitual behavior corresponding to this attitude. Once a character is formed, it is relatively stable, but it is not static, but plastic. Personality is different from temperament, and more reflects the social attribute of personality. The core of personality difference between individuals is personality difference.

Personality is defined as follows:

Attitude is a person's tendency to react to people, things or ideas. It is acquired in the acquired life and consists of three factors: cognition, emotion and behavioral tendency. A person's attitude towards reality is reflected in his pursuit and rejection of life, that is, his actions.

And what a person does shows his behavior. A person's stable attitude towards reality determines his behavior, and habitual behavior reflects his attitude towards reality. Attitude determines the behavior pattern, and a stable attitude makes the behavior pattern that adapts to this attitude gradually become a habit and naturally manifest itself.

Helping others is a characteristic of a person's character. He will not hesitate to help others when they are in trouble. Others will feel natural when they see his helping behavior, which is in line with his personality characteristics. A selfish person will feel strange and incomprehensible if others see him helping others.

Therefore, a person's attitude towards reality formed in long-term social life is closely related to his behavior. Personality is different from temperament, influenced by social history and culture, and has obvious social moral evaluation significance, which directly reflects a person's moral outlook.