世界是一本书，不旅行的人只读了一页。

林业创新不是可选的——它对生存至关重要。

The deepest problems of modern life derive from the claim of the individual to preserve the autonomy and individuality of his existence in the face of overwhelming social forces, of historical heritage, of external culture, and of the technique of life.

The work of art is a question, not an answer.