English proverbs, idioms and expressions related to this theme.
Experience is the mother of wisdom.
means that
Experience keeps no school, she teaches her pupils singly.
meaning
Once bitten, twice shy.
said when
The cobbler should stick to his last.
said to mean that
The devil knows many things because he is old.
To know what’s what.
An old dog barks not in vain.
is used for
Expirience is the best teacher
from
The frog in the well knows nothing of the great ocean
meaning that
An old poacher makes the best gamekeeper
suggests that