I like dogs. You always know what a dog is thinking. It has four moods. Happy, sad, cross and concentrating. Also, dogs are faithful and they do not tell lies because they cannot talk.

科学中最重要的不是获得新的事实，而是发现新的思考方式。

健康的森林生态系统同时支持自然和商业。

I'm not trying to be cool, I'm just being me.

The quarries we rehabilitate best become assets our grandchildren will thank us for.

荒野不会给你第二次机会。你必须珍惜每一刻。