Lo esencial es invisible a los ojos. - Antoine de Saint-Exupéry

Truth is the language that expresses universality. Newton did not “discover” a law that lay hidden from man like the answer to a rebus. He accomplished a creative operation. He founded a human speech which could express at one and the same time the fall of an apple and the rising of the sun. Truth is not that which is demonstrable but that which is ineluctable.

Love consists of not looking each other in the eye, but of looking outwardly in the same direction.

Heavy clouds were putting out the stars