Sustainable forestry is not just about cutting trees; it's about ensuring the future of our planet.

The real is no longer real.

每个出口都是另一个地方的入口。

力的统一不仅是理论的梦想，更是自然对称性所决定的必然。

I think of a hero as someone who understands the degree of responsibility that comes with his freedom.

最有力的艺术往往是最模糊的。