Blood is inherited; character is earned.

Some suggestions for you :

A good friend will fit you like ring to finger.

Treat the lesser as you would have the greater treat you.

Join with good men and you will be one of them.

For the ugly vice of begging, there's the virtue of not giving.

The man to whom god gives no children, the devil gives nieces and nephews.

For a new sin, a new penance.

There is nothing lost by civility.

When the hare leaps, there are no lame greyhounds.

Proverbs in conversation are torches in darkness.

There is nothing like leather.

He who would be a redeemer ends up crucified.

There is nothing hidden between Heaven and Earth.

Blood is inherited and virtue is acquired.

A mother has little love for a son who did not give her pain.