金融的本质是服务实体经济，不能自我循环、自我膨胀。
"The only thing to do with good advice is to pass it on. It is never of any use to oneself."
解释：大部分鸟类都是雄性的，而雌鸽却是雌性的，说明了鸟类性别的特殊性。
向可再生能源的过渡依赖于高效且可扩展的存储系统。
人生は、自分で選んだ道を歩くことだ。
Art is contemplation. It is the pleasure of the mind which searches into nature and which there divines the spirit of which nature herself is animated.
