The most important tool of the theoretical physicist is his wastebasket. — Albert Einstein Copy Share Image
The theoretical idea ... does not arise apart from and independent of experience; nor can it be derived from experience by a… — Albert Einstein Copy Share Image
If you want to find out anything from the theoretical physicists about the methods they use, I advise you to stick closely… — Albert Einstein Copy Share Image
No matter how we may single out a complex from nature...its theoretical treatment will never prove to be ultimately conclusive... I believe… — Albert Einstein Copy Share Image
It would of course be a great step forward if we succeeded in combining the gravitational field and the electromagnetic field into… — Albert Einstein Copy Share Image
The longing to behold this pre-established harmony [of phenomena and theoretical principles] is the source of the inexhaustible patience and perseverance with… — Albert Einstein Copy Share Image
...the physicist cannot simply surrender to the philosopher the critical contemplation of the theoretical foundations; for, he himself knows best, and feels… — Albert Einstein Copy Share Image
As soon as science has emerged from its initial stages, theoretical advances are no longer achieved merely by a process of arrangement.… — Albert Einstein Copy Share Image
However we select from nature a complex [of phenomena] using the criterion of simplicity, in no case will its theoretical treatment turn… — Albert Einstein Copy Share Image
America is a democracy and has no Hitler, but I am afraid for her future; there are hard times ahead for the American people,… — Albert Einstein Copy Share Image
Common sense is nothing more than a deposit of prejudices laid down in the mind before you reach eighteen. — Albert Einstein Copy Share Image
The most fundamental question we can ever ask ourselves is whether or not the universe we live in is friendly or hostile. — Albert Einstein Copy Share Image
A knowledge of the existence of something we cannot penetrate, of the manifestations of the profoundest reason and the most radiant beauty - it… — Albert Einstein Copy Share Image
You imagine that I look back on my life's work with calm satisfaction. But from nearby it looks quite different. There is not a… — Albert Einstein Copy Share Image
The right to search for the truth implies also a duty; one must not conceal any part of what one has recognized to be… — Albert Einstein Copy Share Image
Everything that is really great and inspiring is created by the individual who can labor in freedom. — Albert Einstein Copy Share Image
The world we have made is a result of the level of thinking we have done thus far. — Albert Einstein Copy Share Image
Anyone who thinks science is trying to make human life easier or more pleasant is utterly mistaken. — Albert Einstein Copy Share Image
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