Freedom is a heavy load, a great and strange burden for the spirit to undertake.
自由是一个沉重的负担,是精神承担的一个伟大而奇怪的负担。
Sustainability is not an option, it's a responsibility.
人类个体自由探索的思想是世界上最宝贵的东西。
True wisdom lies in acknowledging your limitations and striving to transcend them.