I am undone! I have smashed the waggon. [I have ruined all.]
Flying without feathers is not easy: my wings have no feathers.
I count him lost, who is lost to shame.
What you lend is lost; when you ask for it back, you may find a friend made an enemy by your kindness. If you begin to press him further, you have the choice of two things - either to lose your loan or lose your friend.
The sea is certainly common to all.
Courage is to take hard knocks like a man when occasion calls.