Great theories are expansive; failures mire us in dogmatism and tunnel vision.

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.

When you can identify the insecurities inside the person that is hurting you then you can begin to heal. It isn't about you. It is about their past.

Whatever goes into a salt-mine becomes salt.

True revolutions ... restore more than they destroy.

Whenever anyone says, 'theoretically, ' they really mean, 'not really.'

Never try to grow up too fast, but don't linger in the child you were

Time destroyed Is suicide, where more than blood is spilt.

Faith sees the unseen things and makes them real.

Every African-American I know has two faces. There's the face that we have for ourselves and the face we put on for white America for the places we have to get to.

All my friends got dogs and cats for Christmas, and I got a starfish called Roy. I used to take him down to the park on a lead.

A Warrior never accepts what is unacceptable.