"Rousseau may be said to have founded the romantic movement. The great ideals of liberty, equality, and fraternity, which inspired the French Revolution, were first formulated by him. He was one of the first thinkers to emphasize the importance of emotion and feeling in human affairs." - Bertrand Russell A new 2023 translation into English from the original manuscripts of Rousseau's classic and influential Pensées d’un esprit droit, or Thoughts of an upright mind.