Door hinges will never be eaten by insects ― constant activity can prevent decay.

Know the birdsong near the mountain

You must ask the woodcutter.

Marx and Engels cooperated to complete the great Das Kapital.

When everyone added fuel, the flame rose very high.

Animal mutual assistance The mutual benefit between crocodiles and thousands of birds is more interesting. Thousands of birds not only look for insects to eat in the fierce crocodile, but also enter the crocodile's mouth to peck at the remaining fish, mussels and frogs' meat scraps and parasitic water to help the crocodile clean its mouth. Sometimes when the crocodile shuts its mouth, thousands of birds are locked in it. However, you don't have to worry about a thousand birds. As long as the thousand birds gently hit the upper and lower jaws of the crocodile with their beaks, the crocodile will open its mouth and let the thousand birds fly out.

Aphorism: Unity is strength, Mount Tai is the top priority. -China proverb

No monofilament forms a line, and no tree forms a forest. -Proverbs

Two people are United and their strength is broken. I Ching

Song Ci: Nian Nujiao missed the ancient Red Cliff and turned around with the water.