The ruling ideas of each age have ever been the ideas of its ruling class.
每个时代的统治思想总是统治阶级的思想。
Sustainability is not an option; it's a necessity for the future of our planet.
Art is a way to give form to the invisible.
知识是解锁心灵之门的钥匙。
Sustainability is not a destination but a journey that requires continuous improvement and innovation.