Paul-Henri Thiry Holbach

"Imagination without knowledge is mere fantasy; knowledge without imagination is barren."

"Every advance in human civilization has come from those willing to defy authority."

"The price of ignorance is far higher than the cost of education."

"Nature demonstrates that diversity strengthens; conformity is imposed by force."

"Patience must be balanced with action; a patient man who never acts is merely slow to fail."

"The law should protect freedom; instead, it often enslaves those it claims to serve."

"Art is the expression of human freedom; when suppressed, it reveals the existence of tyranny."

"A society measured by how it treats its outcasts is a society that understands true morality."

"The greatest courage is to think alone against the crowd."

"Man is born free, and everywhere he is in chains."

"The source of man's unhappiness is his ignorance of nature."

"Fear is the first tool of tyranny."

"Nature is the supreme law; reason is its interpreter."

"Superstition is the art of exciting fear in order to profit from it."

"Education is the foundation of all happiness."

"The most terrible of all tyrants is ignorance."

"Man cannot think freely while enslaved by prejudice."

"True wisdom consists in knowing the limits of knowledge."

"Society is only a convention made for our mutual advantage."

"The greatest happiness comes from the pursuit of truth."

"Morality exists without the need for divine sanction."

"Man's greatest enemy is his own ignorance."

"Art is the expression of human feelings and observations."

"The pursuit of pleasure, when governed by reason, is virtuous."

"Nature teaches us that all beings seek their own good."

"Justice is nothing but the observation of social contracts."

"Religion has always been the instrument of despotism."

"To know oneself is the beginning of all philosophy."

"Work ennobles man and gives life meaning."

"The pursuit of happiness is man's natural right."