凡是合乎理性的都是现实的，凡是现实的都是合乎理性的。

Technology can be our greatest ally in sustainable forest management if used wisely.

In my whole life, I have known no wise people...who didn't read all the time --none, zero.You'd be amazed at how much Warren reads --at how much I read...They think I'm a book with a couple of legs sticking out.

Read not to contradict and confute; nor to believe and take for granted; nor to find talk and discourse; but to weigh and consider.

Tudo vale a pena quando a alma não é pequena.

The dog is a friend of man because it judges him not by his station.