I'm here to live my life, not to be a part of yours.
Every observation we make is a step closer to unraveling the mysteries of the universe.
The forest doesn't need us, but we need the forest—this truth should guide every decision we make in forestry.
人生就是走自己选择的路。
In republican governments, men are all equal; equal they are also in despotic governments: in the former, because they are everything; in the latter, because they are nothing.
The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.