政府的科学是我必须研究的，比其他所有科学都要多；立法、行政和谈判的艺术应该取代，实际上在某种程度上排除所有其他艺术。
The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed exclude, in a manner, all other arts.
Sustainability isn't a trend—it's our responsibility to the next generation.
Objects have always been carried, sold, bartered, stolen, retrieved and lost. People have always given things to other people.
The future of forestry lies in balancing economic growth with ecological responsibility.
I always try to stay positive, even in tough moments.