Life is an incurable disease. Abraham Cowley
The conscience of an artist worthy of the name is like an incurable disease which causes him endless torment but occasionally fills him with silent joy... Georges Rouault
Old age is an incurable disease. Seneca
Love is an incurable disease. In love, there is permanent suffering. Those who love and those who are happy are not the same. Alain de Botton
Environmental pollution is an incurable disease. It can only be prevented. Barry Commoner
Beware an act of avarice; it is bad and incurable disease. Ptahhotep