500+ Sourced quotes
At the same time it will not be forgotten that the physical reality of geometry can not be put in evidence with full clarity unless there is an abstract theory also... Thus, for example, while the term electron may have more than one physical meaning, it is by no means such a protean object as a point or a triangle.
Explaining is a difficult art. You can explain something so that your reader understands the words; and you can explain something so that the reader feels it in the marrow of his bones. To do the latter, it sometimes isn't enough to lay the evidence before the reader in a dispassionate way. You have to become an advocate and use the tricks of the advocate's trade.
It is a grave difficulty in the analytical treatment of scientific ideas that the simple laws are so vaguely conceived that analysis is difficult and the theories that are precisely formulated are often put forward as dogma and the evidence in favor of them has sunk into oblivion or into the realm of myth.
I don't know what it is about fecundity that so appalls. I suppose it is the teeming evidence that birth and growth, which we value, are ubiquitous and blind, that life itself is so astonishingly cheap, that nature is as careless as it is bountiful, and that with extravagance goes a crushing waste that will one day include our own cheap lives.
Most Americans instinctively recoil from the claim that there is an antireligious bias running through the underlying assumptions with which their society approaches church-state issues. However, there is persuasive evidence that among some influential segments of the population, there is a very real antireligious strain.
To condemn free-market capitalism because of anything going on today makes no sense. There is no evidence that capitalism exists today. We are deeply involved in an interventionist-planned economy that allows major benefits to accrue to the politically connected of both political parties. One may condemn the fraud and the current system, but it must be called by its proper names Keynesian inflationism, interventionism, and corporatism.