没有痛苦，就没有快乐。
Pain is the absence of pleasure, pleasure is the absence of pain.
The only way to be happy is to be true to yourself.
经济理论只是一套构建人造世界的指令。
林业实践的创新是平衡经济增长和环境保护的关键。
The future of forestry lies in collaboration—between governments, businesses, and local communities.
I'm a firm believer that you create your own luck.
Every day is a blessing, even the bad ones.