Sustainable forestry is not an option; it's an obligation.
译文：精神、道德、言语、行动，大致上以收敛为主，发散是不得已而为之，天地间的人和事物都是这样。
Innovation is not just about creating something new, but about making what exists better.
One can choose to go back toward safety or forward toward growth. Growth must be chosen again and again; fear must be overcome again and again.