An oak and a reed were arguing about their strength. When a strong wind came up, the reed avoided being uprooted by bending and leaning with the gusts of wind. But the oak stood firm and was torn up by the roots.
Men often applaud an imitation and hiss the real thing.
Appearances are often deceiving.
Betray a friend, and you'll often find you have ruined yourself.
The gods help them who help themselves.
A word in season is most precious.