A Quote by Moses Mendelssohn

The principal axiom in their theory was: Everything can be proved, and everything can be disproved; and in the process, one must profit as much from the folly of others, and from his own superiority, as he can.
I think it laughable, frankly, that the physics community comes up with a theory for everything. There isn't one theory for everything. There is not one explanation. We may eventually have several theories that can tie things together nicely but there is not a single theory of everything.
I had two passions when I was a child. First was to learn about Einstein's theory and help to complete his dream of a unified theory of everything. That's my day job. I work in something called string theory. I'm one of the founders of the subject. We hope to complete Einstein's dream of a theory of everything.
The Church was resolved to have a New Testament, and as, after the lapse of more than three hundred years, no handwriting could be proved or disproved, the Church, which like former impostors had then gotten possession of the State, had everything its own way. It invented creeds, such as that called the Apostle's Creed, the Nicean Creed, the Athanasian Creed, and out of the loads of rubbish that were presented it voted four to be Gospels, and others to be Epistles, as we now find them arranged.
A theory is scientific only if it can be disproved. But the moment you try to cover absolutely everything the chances are that you cover nothing.
Each man is everything to himself, for with his death everything is dead for him. That is why each of us thinks he is everything to everyone. We must not judge nature by ourselves, but by its own standards.
One who works for his own profit is likely to work hard. One who works for the use of others, without profit to himself, is likely not to work any harder than he must.
One who has no love in his heart will try to possess everything for himself. One who has love in his heart is ready to sacrifice everything, including his own body, for the benefit of others.
An honest man is not accountable for the vice and folly of his trade, and therefore ought not to refuse the exercise of it. It is the custom of his country, and there is profit in it. We must live by the world, and such as we find it, so make use of it.
The two basic maxims of the so-called historical criticism are the postulate of the common and the axiom of the ordinary. Postulate of the common: everything really great, good, and beautiful, is improbable, since it is extraordinary and therefore at least suspect. Axiom of the ordinary: our conditions and environment must have existed everywhere, for they are really so natural.
Everything must be taken into account. If the fact will not fit the theory---let the theory go.
Evolution ... is really two theories, the vague theory and the precise theory. The vague theory has been abundantly proved.... The precise theory has never been proved at all. However, like relativity, it is accepted on faith.... On getting down to actual details, difficulties begin.
A man must be able to cut a knot, for everything cannot be untied; he must know how to disengage what is essential from the detail in which it is enwrapped, for everything cannot be equally considered; in a word, he must be able to simplify his duties, his business and his life.
Every form has its own meaning. Every man creates his meaning and form and goal. Why is it so important - what others have done? Why does it become sacred by the mere fact of not being your own? Why is anyone and everyone right - so long as it's not yourself? Why does the number of those others take the place of truth? Why is truth made a mere matter of arithmetic - and only of addition at that? Why is everything twisted out of all sense to fit everything else? There must be some reason. I don't know. I've never known it. I'd like to understand.
Man—every man—is an end in himself, not a means to the ends of others; he must live for his own sake, neither sacrificing himself to others nor sacrificing others to himself; he must work for his rational self-interest, with the achievement of his own happiness as the highest moral purpose of his life.
Whether many people realize it yet or not, man, the Inferior Animal, has by now proved himself incapable of keeping his own species - and others - alive for very much longer. So the earth has begun its own plan to set things right.
Everything I eat has been proved by some doctor or other to be a deadly poison, and everything I don't eat has been proved to be indispensable for life. But I go marching on.
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