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Read through the most famous quotes by topic #concepts
Here we encounter two conflicting concepts with which we must come to grips in our time: the idea of national solidarity and the idea of international cooperation. ↗
The black holes of nature are the most perfect macroscopic objects there are in the universe: the only elements in their construction are our concepts of space and time. ↗
What we have forgotten is that thoughts and words are conventions, and that it is fatal to take conventions too seriously. A convention is a social convenience, as, for example, money ... but it is absurd to take money too seriously, to confuse it with real wealth ... In somewhat the same way, thoughts, ideas and words are "coins" for real things. ↗
#philosophy #theory #words #money