The strongest is never strong enough to be always the master unless he transforms strength into right and obedience into duty.

If you're offered a seat on a rocket ship, don't ask what seat! Just get on.

真相并不总是美丽的，但寻找真相的过程是。

Be yourself; everyone else is already taken.

The true measure of success in forestry is leaving the land healthier than we found it.