It is easy to contract friendship but very difficult to sustain it; for owing to the fickleness of our minds, a very slight cause bring about separation.
सर्वथा सुकरं मित्रं दुष्करं प्रतिपालनम्। अनित्यत्वात् तु चित्तानां प्रीतिरल्पेऽपि भिद्यते॥