The true value of a forest cannot be measured in board feet, but in the breath of the planet.

教师必须为形成较好人类而献出一切。

Every challenge is an opportunity to learn and grow.

我们今天在林业上的每一个决定都会在未来几代人中产生影响。

The pursuit of science is more than the pursuit of understanding. It is the pursuit of wonder.

怀疑是智慧的开端。