Day by day natural science accumulates new riches† The true system of the World has been recognized, developed and perfected† Everything has been discussed and analyzed, or at least mentioned.

-Alembert,Jean le Rond d'
  Elements of Philosophy.

La femme est naturelle, c'est-a'  -dire abominable. Woman is natural, that is, abominable.

-Baudelaire, Charles
  Mon coeur mis a'   nu, pt.5.

Natural rights is simple nonsense: natural and imprescriptable rights, rhetorical nonsenseönonsense upon stilts.

-Bentham,Jeremy
Anarchical Fallacies. Collected in  J Bowring (ed)  Works (1838^43), vol.2.

Men are grown mechanical in head and in the heart, as well as in the hand. They have lost faith in individual endeavour, and in natural force of any kind.

-Carlyle,Thomas
  Signs of the Times.

It's as large as life and twice as natural!

-Dodgson
Through the Looking-Glass, ch.7,'The Lion and the Unicorn'.

Learn then to dance, you that are princes born, And lawful lords of earthly creatures all; Imitate them, and thereof take no scorn, (For this new art to them is natural) And imitate the stars celestial. For when pale death your vital twist shall sever, Your better parts must dance with them forever.

-Davies, SirJohn
  Orchestra, or a Poem of Dancing, stanza 60.

Whate'er he did was done with so much ease, In him alone,'twas natural to please.

-Dryden,John
Absalom and  Achitophel, pt.1, l.27^8.

I must confess I am a fop in my heart; ill customs influence my very senses, and I have been so used to affectation that without the help of the air of the court what is natural cannot touch me.

-Etherege, Sir George
  Letter to Mr Poley,12  Jan.

Les mouvements les plus naturels, et les plus ordinaires, sont ceux qui se font le moins sentir; cela est vrai jusque dans la morale. Le mouvement de l'amour-propre nous est si naturel que, le plus souvent, nous ne le sentons pas. The most natural and ordinary movements are those which are the least felt; this is also true in morals.Pride is so natural to us that, most often, we never feel it.

-Fontenelle, Bernard le Bovier de
  Entretiens sur la pluralite¤   des mondes, Premier soir.

A naked lunch is natural to us, we eat reality sandwiches. But allegories are so much lettuce. Don't hide the madness.

-Ginsberg, Allen
  'On Burroughs'  Work'.

Philip is a living example of natural selection. He was as fitted to survive in this modern world as a tapeworm in an intestine.

-Golding, Sir William (Gerald)
  Free Fall, ch.2.

On the stage he was natural, simple, affecting; 'Twas only that when he was off he was acting.

-Goldsmith, Oliver
  Of Garrick. Retaliation, l.101^2.

Better if he had said something natural like,'Jesus, here we are.' SeeArmstrong 30:78.

-Hillary, Sir Edmund Percival
  Criticizing Neil  Armstrong's premeditated words on first stepping onto the moon. Quoted in the Sunday Times.

I take these to be the seven great facts and doctrines concerning Godöhis richness; his double action, natural and supernatural; his perfect freedom; his delightfulness; his otherness; his adorableness and his prevenience.

-Hu«  gel, Friedrich von, Baron
The Life of Prayer (published1927).

An Englishman's never so natural as when he's holding his tongue.

-James, Henry
Isabel  Archer. The Portrait of a Lady, ch.10.

There is sorrow enough in the natural way From men and women to fill our day; But when we are certain of sorrow in store, Why do we always arrange for more? Brothers and Sisters, I bid you beware Of giving your heart to a dog to tear.

-Kipling, (Joseph) Rudyard
  'The Power of the Dog'.

We are to admit no more causes of natural things than such as are both true and sufficient to explain their appearances† Nature is pleased with simplicity, and affects not the pomp of the superfluous causes.

-Newton, Sir Isaac
  Newton's First Rule of Reasoning in Philosophy. Philosophiae Naturalis Principia Mathematica (translated by Andrew Motte,1729).

Quand on voit le style naturel, on est tout e¤  tonne¤   et ravi, car on s'attendait de voir un auteur, et on trouve un homme. When we see a natural style we are quite amazed and delighted, because we expected to see an author and find a man.

-Pascal, Blaise
c.1654^1662  Pense¤  es, no.29 (translated byA Krailsheimer).

The very power of science to hold knowledge as collective knowledge is founded upon a degree and a quality of trust which are arguably unparalleled elsewhere in our culture† Scientists know so much about the natural world by knowing so much about whom they can trust.

-Shapin, Steven
  A Social History ofTruth.

Home life as we understand it is no more natural to us than a cage is natural to a cockatoo.

-Shaw, George Bernard
  Getting Married, preface,'Hearth and Home'.