I spent, as you know, a year and a half in a clergyman's family and heard almost every Tuesday the very best, most earnest and most impressive preacher it has ever been my fortune to meet with, but it produced no effect whatever on my mind.

What birds can have their bills more peculiarly formed than the ibis, the spoonbill, and the heron?

To expect the world to receive a new truth, or even an old truth, without challenging it, is to look for one of those miracles which do not occur.

Truth is born into this world only with pangs and tribulations, and every fresh truth is received unwillingly.

To the mass of mankind religion of some kind is a necessity.

To say that mind is a product or function of protoplasm, or of its molecular changes, is to use words to which we can attach no clear conception.

I am decidedly of the opinion that in very many instances we can trace such a necessary connexion, especially among birds, and often with more complete success than in the case which I have here attempted to explain.

I spent, as you know, a year and a half in a clergyman's family and heard almost every Tuesday the very best, most earnest and most impressive preacher it has ever been my fortune to meet with, but it produced no effect whatever on my mind.

It has been generally the custom of writers on natural history to take the habits and instincts of animals as the fixed point, and to consider their structure and organization as specially adapted to be in accordance with them.

On the spiritual theory, man consists essentially of a spiritual nature or mind intimately associated with a spiritual body or soul, both of which are developed in and by means of a material organism.

In all works on Natural History, we constantly find details of the marvellous adaptation of animals to their food, their habits, and the localities in which they are found.

I hold with Henry George, that at the back of every great social evil will be found a great political wrong.

I am thankful I can see much to admire in all religions.

Civilisation has ever accompanied emigration and conquest - the conflict of opinion, of religion, or of race.

There is, I conceive, no contradiction in believing that mind is at once the cause of matter and of the development of individualised human minds through the agency of matter.

What we need are not prohibitory marriage laws, but a reformed society, an educated public opinion which will teach individual duty in these matters.

But naturalists are now beginning to look beyond this, and to see that there must be some other principle regulating the infinitely varied forms of animal life.

As well might it be said that, because we are ignorant of the laws by which metals are produced and trees developed, we cannot know anything of the origin of steamships and railways.

The foregoing considerations lead us to the very important conclusion, that matter is essentially force, and nothing but force; that matter, as popularly understood, does not exist, and is, in fact, philosophically inconceivable.

In my solitude I have pondered much on the incomprehensible subjects of space, eternity, life and death.

I have since wandered among men of many races and many religions.

If this is not done, future ages will certainly look back upon us as a people so immersed in the pursuit of wealth as to be blind to higher considerations.

Modification of form is admitted to be a matter of time.

The present contains nothing more than the past, and what is found in the effect was already in the cause.

Bambi has a profound effect on children because it's about losing your mother.

To believe in a just law of cause and effect, carrying with it a punishment or a reward, is to believe in righteousness.

Our estimates suggest that a tax increase of 1 percent of GDP reduces output over the next three years by nearly 3 percent. The effect is highly significant.

The truth is, it's not a great career move to create a readership and then, in effect, abandon them.

I am for an art that takes into account the direct effect of the elements as they exist from day to day apart from representation.

Planets are too dim to be detected with existing equipment, far away, except in these very special circumstances where they're seen by their gravitational effect.

Well, in pharmacology, if the effect is local, it's of course absolutely awkward to use it in any other way than as a local treatment.

Writing songs has a therapeutic effect, and it either kills off love or wins the heart of the lover.

The good news was that Enterprise and the newly arrived Yorktown had attacked the Marshall and Gilbert islands. Those attacks had a great effect on morale.

Motherhood has a very humanizing effect. Everything gets reduced to essentials.

The Tax Code today is more complicated than ever, and the very people on the Republican side who denounce the Tax Code's complexity are the ones that put together what they now call a convoluted monstrosity. They put it into effect.

If the many allegations made to this date are true, then the burglars who broke into the headquarters of the Democratic National Committee at the Watergate were, in effect, breaking into the home of every citizen.

It would be great to take one city street and turn it into a pedestrian corridor and see what kind of effect it has on the businesses in that area - It's the future I think.

To enlarge or illustrate this power and effect of love is to set a candle in the sun.

The cause is hidden; the effect is visible to all.

Logic, like whiskey, loses its beneficial effect when taken in too large quantities.

The Vietnamese have a secret weapon. It's their willingness to die beyond our willingness to kill. In effect, they've been saying, You can kill us, but you'll have to kill a lot of us; you may have to kill all of us. And, thank heaven, we are not yet ready to do that.

The oppression of any people for opinion's sake has rarely had any other effect than to fix those opinions deeper, and render them more important.

In America you can say anything you want - as long as it doesn't have any effect.

Scientific men can hardly escape the charge of ignorance with regard to the precise effect of the impact of modern science upon the mode of living of the people and upon their civilisation.

It becomes a giant's task to compute the result when the effect of cross seas, wind at all angles and ever varying force, arched surfaces, head resistance, ratio of weight to area, and the intelligence of the guiding power crop up.

I am above the weakness of seeking to establish a sequence of cause and effect, between the disaster and the atrocity.

The question at the end of the day was, the courts having found there was no defense, a producer about to go to jail, should CBS in effect tell the producer go to jail even though there is no law at all that we can use to get you out of jail?

All we need is a meteorologist who has once been soaked to the skin without ill effect. No one can write knowingly of the weather who walks bent over on wet days.

Few speeches which have produced an electrical effect on an audience can bear the colourless photography of a printed record.