The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it.

The facts are always friendly, every bit of evidence one can acquire, in any area, leads one that much closer to what is true.

Over one's mind and over one's body the individual is sovereign.

The more you give, the more you get.

The most successful leaders are those who listen more than they speak.

世界是一本书，不旅行的人只读了一页。

Innovation in forestry begins with respect for nature.

It is by no means an irrational fancy that, in a future existence, we shall look upon what we think our present existence, as a dream.