It is a thorough process, this war with the wilderness - breaking nature, taming the soil. feeding it on oats. The civilized man regards the pine tree as his enemy. He will fell it and let in the light, grub it up and raise wheat or rye there. It is no better than a fungus to him.
Henry David ThoreauYou can hardly convince a man of an error in a lifetime, but must content yourself with the reflection that the progress of science is slow. If he is not convinced, his grandchildren may be.
Henry David Thoreau