The passions, whether violent or not, should never be so expressed as to reach the point of causing disgust; and music, even in situations of the greatest horror, should never be painful to the ear but should flatter and charm it, and thereby always remain music. Wolfgang Amadeus Mozart
Once you let yourself grow close to someone, cutting the ties could be painful. Haruki Murakami
The processes of teaching the child that everything cannot be as he wills it are apt to be painful both to him and to his teacher. Anne Sullivan Macy
Writing is very cathartic for me. As a teacher, I hear many students say that writing can be painful and exhausting. It can be, but ultimately I believe that if you push through, the process is healing and exhilarating. Francesca Lia Block
Love is the best school, but the tuition is high and the homework can be painful. Diane Ackerman
And even the most pleasant of dreams could be painful under the light of the morning sun. Christopher Golden