真理
We don't inherit the earth from our ancestors; we borrow it from our children. This truth guides every decision we make.
To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact.
In the examination of the parts of animals, I have diligently endeavored to arrive at the truth.
The forest doesn't need us, but we need the forest—this truth should guide every decision we make in forestry.
We hold these truths to be self-evident: that all men are created equal.