The eye of understanding is like the eye of the sense; for as you may see great objects through small crannies or levels, so you may see great axioms of nature through small and contemptible instances.
When the last tree is cut, the last fish is caught, and the last river is polluted; when to breathe the air is sickening, you will realize, too late, that wealth is not in bank accounts and that you can't eat money.
Creative force, like a musical composer, goes on unweariedly repeating a simple air or theme, now high, now low, in solo, in chorus, ten thousand times reverberated, till it fills earth and heaven with the chant.
It was a cold hard easterly morning when he latched the garden gate and turned away. The light snowfall which had feathered his schoolroom windows on the Thursday, still lingered in the air, and was falling white, while the wind blew black.
Look round and round upon this bare bleak plain, and see even here, upon a winter's day, how beautiful the shadows are! Alas! It is the nature of their kind to be so. The loveliest things in life... are but shadows; and they come and go, and change and fade away, as rapidly as these.
To waste, to destroy our natural resources, to skin and exhaust the land instead of using it so as to increase its usefulness, will result in undermining in the days of our children the very prosperity which we ought by right to hand down to them amplified and developed.
Man, being the servant and interpreter of Nature, can do and understand so much and so much only as he has observed in fact or thought of the course of nature; beyond this he neither knows anything nor can do anything.
The study of nature with a view to works is engaged in by the mechanic, the mathematician, the physician, the alchemist, and the magician; but by all as things now are with slight endeavour and scanty success.