The personal right to acquire property, which is a natural right, gives to property, when acquired, a right to protection, as a social right.
James Madison

And although our bodies are bounded with skin, and we can differentiate between outside and inside, they cannot exist except in a certain kind of natural environment.
Alan Watts

The style of God venerated in the church, mosque, or synagogue seems completely different from the style of the natural universe.
Alan Watts

The theory of evolution by cumulative natural selection is the only theory we know of that is in principle capable of explaining the existence of organized complexity.
Richard Dawkins

I have called this principle, by which each slight variation, if useful, is preserved, by the term of Natural Selection.
Charles Darwin

In our natural state, we are glorious beings. In the world of illusion, we are lost and imprisoned, slaves to our appetites and our will to false power.
Marianne Williamson

Beauty is a manifestation of secret natural laws, which otherwise would have been hidden from us forever.
Johann Wolfgang von Goethe

The unnatural, that too is natural.
Johann Wolfgang von Goethe

Home life is no more natural to us than a cage is natural to a cockatoo.
George Bernard Shaw

The natural term of the affection of the human animal for its offspring is six years.
George Bernard Shaw

Natural gas is hemispheric. I like to call it hemispheric in nature because it is a product that we can find in our neighborhoods.
George W. Bush

A scientist in his laboratory is not a mere technician: he is also a child confronting natural phenomena that impress him as though they were fairy tales.
Marie Curie

Men fear death as children fear to go in the dark; and as that natural fear in children is increased by tales, so is the other.
Francis Bacon

It is natural to die as to be born.
Francis Bacon

Natural abilities are like natural plants, that need pruning by study; and studies themselves do give forth directions too much at large, except they be bounded in by experience.
Francis Bacon

It is as natural to die as to be born; and to a little infant, perhaps, the one is as painful as the other.
Francis Bacon

To correct a natural indifference I was placed half-way between misery and the sun. Misery kept me from believing that all was well under the sun, and the sun taught me that history wasn't everything.
Albert Camus

Well-ordered self-love is right and natural.
Saint Thomas Aquinas

That we are not much sicker and much madder than we are is due exclusively to that most blessed and blessing of all natural graces, sleep.
Aldous Huxley

Men speak of natural rights, but I challenge any one to show where in nature any rights existed or were recognized until there was established for their declaration and protection a duly promulgated body of corresponding laws.
Calvin Coolidge