Man is not above nature, but in nature.

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.

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

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.

There was no drug strong enough to repair a broken heart.

Why is it that here in the United States we have such difficulty even imagining a different sort of society from the one whose dysfunctions and inequalities trouble us so?

I like animals who trust people.

It feels as if ever since the iPhone was released, the Macintosh computer has become just another leverage point in this other operating system's marketing plan.

We defend and we build a way of life, not for America alone, but for all mankind.

Who I've been is not as important as who I'm becoming.

The elms of New England! They are as much a part of her beauty as the columns of the Parthenon were the glory of its architecture.

I very much like dance and dancers.

I try to do a lot of research beforehand so I know where I want to go with a scene. I try not to get too stressed about it, because I find that's the worst thing

I really feel that political will is born out of popular will.