Ludwig Mies van der Rohe

Nature, too, shall live its own life. We must beware not to disrupt it with the color of our houses and interior fittings. yet we should not attempt to bring nature, houses, and human beings together into a higher unity.

The jet stream is a very strong force and pushing a balloon into it is like pushing up against a brick wall, but once we got into it, we found that, remarkably, the balloon went whatever speed the wind went.