Courage easily finds its own eloquence.
He is happy in his wisdom who has learned at another's expense.
What is yours is mine, and all mine is yours.
It is not without a purpose when a rich man greets a poor one with kindness.
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.
Practice yourself what you preach.