Mental differences between the lowest men and the animals are less than those between the lowest and the highest man.

Nothing is constant but change! All existence is a perpetual flux of "being and becoming!" That is the broad lesson of the evolution of the world.

Man is not above nature, but in nature.

By ecology we understand the total science of the connections of the organism to the surrounding external world.

Politics is applied biology.

Civilization and the life of nations are governed by the same laws as prevail throughout nature and organic life.

Ontogeny re-capitulates phylogeny.

The real cause of personal existence is not the favor of the Almighty, but the sexual love of one's earthly parents.

As our mother-earth is a mere speck in the sunbeam in the illimitable universe, so man himself is but a tiny grain of protoplasm in the perishable framework of organic nature.

The cell never acts; it reacts.

Both of these branches of evolutionary science, are, in my opinion, in the closest causal connection; this arises from the reciprocal action of the laws of heredity and adaptation.

The real generosity is when a man does something generous when nobody knows about it.

Once you say you're going to settle for second that's what happens to you in life I find.

I never cared,” he said. “I wanted you anyway. I always wanted you.

History viewed from the inside is always a dark, digestive mess, far different from the easily recognizable cow viewed from afar by historians.

It takes many years to be a great comedian.

The human form is a microcosm of the universe. All that supposedly exists outside us in reality exists in us. The world is in you and can become known in you, as you.

I think that Comic-Con is just a wonderful forum. It's just the perfect place for our show and the fans have embraced us so wonderfully. I would be shocked, if we weren't back every year.

People will always respect you when you're in the process of being better.

Makes us appreciate blessing, not be greedy and mean and fat like Polyphemus.

I used my mind, and then eventually the method I used allowed me to master my craft.