Natural selection is a theory of local adaptation to changing environments. It proposes no perfecting principles, no guarantee of general improvement

Orchids were not made by an ideal engineer; they are jury-rigged from a limited set of available components.

I am, somehow, less interested in the weight and convolutions of Einstein’s brain than in the near certainty that people of equal talent have lived and died in cotton fields and sweatshops.

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.

We cannot win this battle to save species and environments without forging an emotional bond between ourselves and nature as well - for we will not fight to save what we do not love.

Advocates for a single line of progress encounter their greatest stumbling block when they try to find a smooth link between the apparently disparate designs of the invertebrates and vertebrates.

Ordinary speciation remains fully adequate to explain the causes and phenomenology of punctuation.

Nothing is more dangerous than a dogmatic worldview - nothing more constraining, more blinding to innovation, more destructive of openness to novelty.

The center of human nature is rooted in ten thousand ordinary acts of kindness that define our days.

If genius has any common denominator, I would propose breadth of interest and the ability to construct fruitful analogies between fields.

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.

This is what the good guys do. They keep trying. They don't give up.

The sky sinks slowly inside the past.

The enthusiastic uprising of the people in our cause, is our great reliance; and we can not safely give it any check, even thoughit overflows, and runs in channels not laid down in any chart.

The Supreme Court has said that America is a Christian nation. But to make such a statement today causes reporters, newsmen, and many politicians to go ballistic.

When I started Ashes and Snow in 1992, I set out to explore the relationship between man and animals from the inside out.

Donald Trump'd rather believe Vladimir Putin than the military and civilian intelligence professionals who are sworn to protect us.

I think just getting a movie done is an accomplishment in itself.

The people are hungry: It is because those in authority eat up too much in taxes.

I just love dealing with people whose idea of sometimes is every thousand years,” I said.

Colin Kaepernick has the tools to be one of the greatest of all time