实现明天的唯一限制是我们今天的怀疑。
The only limit to our realization of tomorrow is our doubts of today.
Electric communication will never be a substitute for the face of someone who with their soul encourages another person to be brave and true.
所以,储备是国家最重要的事;粮食是国家的宝物;武器是国家的利爪;城池是守卫国家的屏障。 
We are comfortable planting seeds and waiting for them to grow into trees.
Society can and does execute its own mandates, and if it issues wrong mandates instead of right, or any mandates at all in things with which it ought not to meddle, it practices a social tyranny more formidable than many kinds of political oppression, since, though not usually upheld by such extreme penalties, it leaves fewer means of escape, penetrating much more deeply into the details of life, and enslaving the soul itself.
我不需要任何人理解我。我的艺术自己会说话。
如果我们明智地使用技术,它可以成为林业最伟大的盟友。