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P Quotes

Browse famous quotes beginning with P. This page is a child index of the full Popular Quotes A-Z directory.

All P Quotes

“People are said to believe in God, or to disbelieve in Adam and Eve. But in such cases what is believed or disbelieved is that there is an entity answering a certain description. This, which can be believed or disbelieved is quite different from the actual entity (if any) which does answer the description. Thus the matter of belief is, in all cases, different in kind from the matter of sensation or presentation, and error is in no way analogous to hallucination. A hallucination is a fact, not an error; what is erroneous is a judgment based upon it.”

“People are saying that they want be convinced [about global warming], perfectly. They want to know the climate science projections with 100 per cent certainty. Well, we know a great deal and even with that there is still uncertainty. But the trend line is very clear. We never have 100 per cent certainty. We never have it. If you wait till you have 100 per cent certainty, something bad is going to happen on the battlefield. That's something we know. You have to act with incomplete information. You have to act based on the trend line.”