We pass through this world but once.
The proof of evolution lies in those adaptations that arise from improbable foundations.
The most erroneous stories are those we think we know best - and therefore never scrutinize or question.
When people learn no tools of judgment and merely follow their hopes, the seeds of political manipulation are sown.
Look in the mirror, and don't be tempted to equate transient domination with either intrinsic superiority or prospects for extended survival.
Nothing is more dangerous than a dogmatic worldview - nothing more constraining, more blinding to innovation, more destructive of openness to novelty.
Science is an integral part of culture. It's not this foreign thing, done by an arcane priesthood. It's one of the glories of the human intellectual tradition.
The more important the subject and the closer it cuts to the bone of our hopes and needs, the more we are likely to err in establishing a framework for analysis.
Creationist critics often charge that evolution cannot be tested, and therefore cannot be viewed as a properly scientific subject at all. This claim is rhetorical nonsense.
The true beauty of nature is her amplitude she exists neither for nor because of us, and possesses a staying power that all our nuclear arsenals cannot threaten (much as we can easily destroy our puny selves).