可持续林业不仅仅是砍伐树木；它关乎我们星球的未来。
Sustainable forestry is not just about cutting trees; it's about ensuring the future of our planet.
I don't let setbacks stop me. They make me stronger.
Courage is not the absence of fear, but the triumph over it.
If you're not failing, you're not trying hard enough.
Mathematics is the language with which God has written the universe.