重要的不是身体的强度，而是精神的强度。
One of my primary objects is to form the tools so the tools themselves shall fashion the work and give to every part its just proportion.
I'm not a rock star, I'm a pop star with a rock star's lifestyle.
It takes considerable knowledge just to realize the extent of your own ignorance.
The future of forestry belongs to those who see trees as living systems, not just standing inventory.
Success is not final, failure is not fatal: It is the courage to continue that counts.