Thought is only a gleam in the midst of a long night. But it is this gleam which is everything.
Authentication Score 3
Original Citation
Poincare, Henri. Valeur de la Science [The Value of Science]. Flammarion, 1904, ch. 11.
Current Citation
Poincare, Henri. The Value of Science: Essential Writings of Henri Poincare, edited by Stephen Jay Gould. Random House Publishing Group, 2001.