Dr. Siri: Village boy to global healer, a legacy of kindness and excellence - (Krishantha Prasad Cooray)
Lord Buddha, elaborating on the notion of sorrow (dukkha) in the first sermon he delivered after attaining Enlightenment, observed that having to associate with those who are repugnant is sorrowful and being apart from those who are loved is also sorrowful — appiyehi sampayogo dukkho, piyehi vippayogo dukkho.