The more constraints one imposes, the more one frees oneself.

We don't inherit the earth from our ancestors; we borrow it from our children—this is especially true in forestry.

邪恶胜利的唯一必要条件是好人的无所作为。

安全不仅仅是一项政策 - 它是一种必须渗透到我们组织各个层面的文化。