As follows:

1. The ants who work together eat the horned deer, and the magpie who works together catches the tiger. ——Mongolian

2. When two people are of the same mind, their strength is as strong as gold. ——"Book of Changes"

3. When you know each other from afar, you don't know how deep the clouds are. ——Wang Changling

4. Smart people always walk in step with their friends. ——French proverb

5. All friends who have been tested should be united tightly around you. ——Shakespeare