Astronomy was born of superstition, eloquence of ambition, hatred, falsehood and flattery; geometry of avarice; physics of an idle curiosity; and eve… - Jean-Jacques Rousseau

He thinks like a philosopher, but governs like a king.

When all was right around me, when I was content with everything, and satisfied with the sphere I was to occupy, I filled it with my affections, while my expansive soul, extending itself to other objects, was perpetually attracted by a thousand different inclinations, and by amiable attachments, which continually employed my heart: in these situations I forgot myself in some measure, thinking principally on what was foreign to me, and experiencing in the continual agitation of my feelings, all the vicissitude of earthly things. This exquisite sensibility lest me neither inward peace, nor outward repose; happy in appearance only, I had not a single sentiment that could have borne the proof of reflection, or with which I could truly have been content. Never was I perfectly satisfied either with others or myself; the tumult of the world made me giddy, solitude wearied me, I perpetually wished for a change of situation, and met with happiness in none.

Si hubiese sabido desprenderme del yugo de la amistad, como del de la opinión, hubiera logrado completamente mi objeto, quizá el más grande, o a lo menos el más útil para la virtud, que jamás mortal alguno haya concebido;