在我看來，自然界是最大的興奮來源；最大的視覺美來源；最大的智力興趣來源。它是生命中許多讓生活有價值的東西的最大來源。
It seems to me that the natural world is the greatest source of excitement; the greatest source of visual beauty; the greatest source of intellectual interest. It is the greatest source of so much in life that makes life worth living.
