I will avoid despair but if this disease of the mind infects me then I will work on in despair. I will toil and I will endure. I will ignore the obstacles at my feet and keep my eyes on the goals above my head, for I know that where dry desert ends, green grass grows. Og Mandino
He used also to say that that man was unfortunate who could not support misfortune; and that it is a disease of the mind to desire what was impossible, and to have no regard for the misfortunes of others. Bias of Priene