Self-confidence: Li Bai's "Since God has given talents, let them find jobs!"! , spin a thousand silver, all come back! "

Inferiority: Spinoza thinks too little of herself because of her pain.

Conceit: Conceit is a terrible trap for us. We dug it ourselves. -Lao She

People should not be arrogant, but not arrogant. -Xu Beihong

People should be modest, but they should not feel inferior.