Mao Dun: In life, everyone should be a ray of spring and give warmth to others. Today, the relationship between people should be even more so. Between friends, treat each other with sincerity and treat each other with sincerity. Isn't it that they shine and warm each other?

Pythagoras: Friendship is harmony and equality.

Sun Yat-sen: The spirit of mutual assistance and friendship seeks the permanent consolidation of the group.