What is not worth understanding is not knowing.
The parson knows enough who knows a Duke.
My methodology is not knowing what I'm doing and making that work for me.
Only the wearer knows where the shoe pinches...
Years know more than books.
Happy is the man who knows he's happy.
It is easier to know how to do than it is to do.
Men know not all their faults, oxen all their strength.
You want no one to know it? Then don't do it.
What you don't know, you will not recognize.
The monkey knows which branch to swing on.
A guest will not know what fasting means.
Love and let the world know, hate in silence.
You know a person by his nickname.
It is the wife who knows her husband.
An old broom knows the corners of the house.
It is a good answer which knows when to stop.
Even a fool knows the glow of gold.
The fortune-teller never knows his own.
At the harvest you know how good the millet is.