Every day is a new opportunity to make a difference.

A poem is a mirror that reflects the soul.

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

Innovation in mining technology is essential to meet the world's energy demands.

The computer is the first metamedium, and as such it has degrees of freedom for representation and expression never before encountered.

The real voyage of discovery consists not in seeking new landscapes, but in having new eyes.

时间是一个从我们感知变化的方式中衍生出来的概念。