The cell never acts; it reacts.

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.

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.

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.

Each of us is an innkeeper who decides if there is room for Jesus!

La vida es mi tortura y la muerte será mi descanso.

Mean girls go far in high school. Kind women go far in LIFE.

I hate thinking about it, teaching about it, and writing about it. But the plain truth is that hell is real and real people go there for eternity.

Were all men equal to-night, some would get the start by rising an hour earlier to-morrow.

Some of the roots of role-playing games (RPGs) are grounded in clinical and academic role assumption and role-playing exercises.

I would not be opposed to devising a new system of pensions, in which one part was based on collective provision, but which also gave incentives for people to take out an additional, personal plan.

Youth is a season that has no repose.

In my paper the fact the XY was not equal to YX was very disagreeable to me. I felt this was the only point of difficulty in the whole scheme...and I was not able to solve it.

I have no question: It is enough, I know what fixed the station Of star and cloud. And knowing all, I cry. . . .