If we think systematically, we will stop asking, How much is nature worth? We will know that we are a piece of… — Karl-Henrik Robert Copy Share Image
If nature were not beautiful, it would not be worth knowing, and if nature were not worth knowing, life would not be… — Henri Poincare Copy Share Image
Good nature is worth more than knowledge, more than money, more than honor, to the persons who possess it. — Henry Ward Beecher Copy Share Image
