By what criterion... can we distinguish among the numberless effects, that are also causes, and among the causes that may, for aught we can know, be also effects, - how can we distinguish which are the means and which are the ends?

The questions of philosophy proper are human desires and fears and aspirations - human emotions - taking an intellectual form.

We receive the truths of science by compulsion. Nothing but ignorance is able to resist them.

Natural Selection never made it come to pass, as a habit of nature, that an unsupported stone should move downwards rather than upwards. It applies to no part of inorganic nature, and is very limited even in the phenomena of organic life.

And we owe science to the combined energies of individual men of genius, rather than to any tendency to progress inherent in civilization.

The pains of disconcerted or frustrated habits, and the inherent pleasure there is in following them, are motives which nature has put into our wills without generally caring to inform us why; and she sometimes decrees, indeed, that her reasons shall not be ours.

Such evidence is not the only kind which produces belief; though positivism maintains that it is the only kind which ought to produce so high a degree of confidence as all minds have or can be made to have through their agreements.

Let one persuade many, and he becomes confirmed and convinced, and cares for no better evidence.

The accidental causes of science are only accidents relatively to the intelligence of a man.

If they are, then the only ultimate truths are the particulars of concrete experience, and no postulate or general assumption is inherent in science until its proceedings become systematic, or the truths already reached give direction to further research.

By what criterion... can we distinguish among the numberless effects, that are also causes, and among the causes that may, for aught we can know, be also effects, - how can we distinguish which are the means and which are the ends?

All observers not laboring under hallucinations of the senses are agreed, or can be made to agree, about facts of sensible experience, through evidence toward which the intellect is merely passive, and over which the individual will and character have no control.

The association promotes a way of life, not causes; a harmony in living, not political faiths; a bilateral loyalty, not commercial or social projects. Yet it is an association for as noble a purpose as any involved in any prior decisions.

Happy the man who has been able to learn the causes of things.

There is one thing higher than Royalty: and that is religion, which causes us to leave the world, and seek God.

The methods of peace propaganda which aim at establishing peace doctrine by argument and by creating a feeling favorable to peace in general seem to fall short of reaching the springs of human action and of dealing with the causes of the conduct which they seek to modify.

Having played an angel for so long, you can imagine that I've been asked to endorse any number of causes over the years. Obviously I have to limit my participation with any charity, so I decided to really concentrate on my love of children.

The final causes, then, of compassion are to prevent and to relieve misery.

I wish I had the billions of dollars that George Soros has that he has used to fund Democratic causes in the past.

It ain't ignorance that causes all the trouble in this world. It's the things people know that ain't so.

The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its causes.

You may count on Mexico's support, since your commitment to the noblest causes of mankind and your vast experience are and will be invaluable in enabling us, together, to achieve a better world.

In the order of literature, as in others, there is no act that is not the coronation of an infinite series of causes and the source of an infinite series of effects.

It was hard to figure out what were the good causes, the bad causes, even the good politics and the bad politics. So we started taking requests and figuring it out.

Waste no time with revolutions that do not remove the causes of your complaints but simply change the faces of those in charge.

To deal with the true causes of war one must begin by recognizing as of prime relevancy to the solution of the problem the familiar fact that civilization is a partial, incomplete, and, to a great extent, superficial modification of barbarism.

Evil events from evil causes spring.

Therefore in medicine we ought to know the causes of sickness and health.

Beauty is a precious trace that eternity causes to appear to us and that it takes away from us. A manifestation of eternity, and a sign of death as well.

The same characters that keep reappearing, bigger than life, find their own integrity in doing what they do the way they do it, even if it causes their own deaths.

Happiness is a real, objective phenomenon, scientifically verifiable. That means people and whole societies can now be measured over time and compared accurately with one another. Causes and cures for unhappiness can be quantified.

The United Nations charter gives every nation the right to self defence, therefore when the American embassies were bombed it was a matter of time before the Americans responded by going for what they suspected were the causes of the attack.

Sex: the thing that takes up the least amount of time and causes the most amount of trouble.

Let us not suffer from a national amnesia that causes us to forget who and what we are.

The only lesson to extract from any civil war is that it's pointless and futile and ugly, and that there is nothing glamorous or heroic about it. There are heroes, but the causes are never heroic.

It is almost always the cover-up rather than the event that causes trouble.

The thing worse than rebellion is the thing that causes rebellion.

The working classes were becoming more and more sharply aware of the complex causes of international malaise.

The safest and most suitable form of penance seems to be that which causes pain in the flesh but does not penetrate to the bones, that is, which causes suffering but not sickness.

A knowledge of the forces that rule society, of the causes that have produced its upheavals, and of society's resources for promoting healthy progress has become of vital concern to our civilization.

The death tax causes one-third of all family-owned small businesses to liquidate after the death of the owner. It is also an unfair tax because the assets have already been taxed once at their income level.

It's important to be active in the causes that are important to you... That's how we make changes in this world.

I got a feeling about political correctness. I hate it. It causes us to lie silently instead of saying what we think.

I could never accept findings based almost exclusively on mathematics. It ain't ignorance that causes all the trouble in this world. It's the things people know that ain't so.

Outsourcing and globalization of manufacturing allows companies to reduce costs, benefits consumers with lower cost goods and services, causes economic expansion that reduces unemployment, and increases productivity and job creation.

We've got to stop focusing solely on the symptoms of crime, and start caring about the causes as well.

Excess generally causes reaction, and produces a change in the opposite direction, whether it be in the seasons, or in individuals, or in governments.

In teaching man, experimental science results in lessening his pride more and more by proving to him every day that primary causes, like the objective reality of things, will be hidden from him forever and that he can only know relations.

Today osteoporosis affects more than 75 million people in the United States, Europe and Japan and causes more than 2.3 million fractures in the USA and Europe alone.