In the spiritual realm nothing is indifferent: what is not useful is harmful. Leo Tolstoy
In a picture every part will be visible and will play the role conferred upon it, be it principal or secondary. All that is not useful in the picture is detrimental. Henri Matisse
Obama's failure to close Guantanamo is yet another instance where the rhetoric of democratic and constitutional rights proved not useful for his international relations, relations which are always pursued in ways that continue to link and fortify securitarian power with the opening of new markets. Judith Butler
Although it's not useful to drown in despair, it's also not useful to keep a 'positive attitude' when this means concealing or denying real emotions. Harriet Lerner
I like it when someone tells me: 'I don't agree.' This is a true collaborator. When they say 'Oh, how great, how great, how great,' that's not useful. Pope Francis