Gloom and sadness are poison to us, and the origin of hysterics. You are right in thinking that this disease is in the imagination; you have defined it perfectly; it is vexation which causes it to spring up, and fear that supports it.
Marie de Rabutin-Chantal, marquise de SevigneIt is thus that we walk through the world like the blind, not knowing whither we are going, regarding as bad what is good, regarding as good what is bad, and ever in entire ignorance.
Marie de Rabutin-Chantal, marquise de Sevigne