To handle yourself, use your head; to handle others, use...

To handle yourself, use your head; to handle others, use your heart. Anger is only one letter short of danger. If someone betrays you once, it is his fault; if he betrays you twice, it is your fault. Great minds discuss ideas; average minds discuss events; small minds discuss people. He who loses money, loses much; he who loses a friend, loses much more; he who loses faith, loses all.