认证计划是负责任林业实践的底线，而不是上限。
Certification schemes are the floor, not the ceiling of responsible forestry practice.
自然知识的改进者绝对拒绝承认所谓的权威。
Los libros son puertas a universos paralelos que llevamos dentro.
数学是给不同事物起相同名字的艺术。
Love is the ability and willingness to allow those that you care for to be what they choose for themselves without any insistence that they satisfy you.
醉中插花，花莫笑我，可怜春天也像人一样即将老去
梦想不是追逐的，而是创造的。