广泛地学习,专心致志,恳切地求教,多思考当前的实际问题,仁德就在其中了。
People must feel that the natural world is important and valuable and beautiful and wonderful and an amazement and a pleasure.
潜意识是未曾付诸文字的人类洪荒时代史。
Sustainability isn't a trend—it's a responsibility we owe to future generations.