Logic is the hygiene the mathematician practices to keep his ideas healthy and strong.
Hermann WeylRead
Symmetry, as wide or as narrow as you may define its meaning, is one idea by which man through the ages has tried to comprehend and create order, beauty and perfection.
Interpretation
Symmetry reflects our quest for understanding order and beauty in life.
In this quote, Hermann Weyl emphasizes the importance of symmetry as a concept that has been pursued by humanity throughout history. He suggests that symmetry represents not only a mathematical or aesthetic ideal but also a deeper philosophical idea through which people seek to make sense of the world, aiming for harmony, balance, and perfection in their creations and understanding of nature.
In practice
In a lecture on aesthetics, you might quote this to highlight the importance of symmetry in art.
Logic is the hygiene the mathematician practices to keep his ideas healthy and strong.
Without the concepts, methods and results found and developed by previous generations right down to Greek antiquity one cannot understand either the aims or achievements of mathematics in the last 50 years. [Said in 1950]
We are not very pleased when we are forced to accept a mathematical truth by virtue of a complicated chain of formal conclusions and computations, which we traverse blindly, link by link, feeling our way by touch. We want first an overview of the aim and of the road; we want to understand the idea of the proof, the deeper context.
Besides language and music, mathematics is one of the primary manifestations of the free creative power of the human mind.
You can not apply mathematics as long as words still becloud reality.
Besides language and music, it [mathematics] is one of the primary manifestations of the free creative power of the human mind, and it is the universal organ for world understanding through theoretical construction. Mathematics must therefore remain an essential element of the knowledge and abilities which we have to teach, of the culture we have to transmit, to the next generation.
Cicero is dead! Cicero is born! The laughter has filled me, filled me so very completely. I am the laughter. I am the jester. The soul that has served as my constant companion for so long has breached the veil of the Void finally and forever. It is now in me. It is me. The world has seen the last of Cicero the man. Behold Cicero, Fool of Hearts - laughter incarnate!
You don't have to love animals to recognize that it is immoral and unjust to exploit them. But if you do love animals, but you continue to participate in their exploitation, you need to rethink your idea of what love means.
I remember myself, age five, sitting on a porch overlooking a very muddy road. The day was rainy. I was wearing rubber boots, yellow - no, not yellow, green - and for all I know, I'm still there.
I cannot agree with those who say that they have 'new truth' to teach. The two words seem to me to contradict each other; that _x000D_ which is new is not true. It is the old that is true, for truth is as old as God himself.
People call you this or that. But I can't respond because then it seems like I'm defensive, you know, what does it matter, really?
Some of the biggest advocates for feminism seem to believe that in order to feel powerful you have to make another woman subservient, and that is not what feminism is about at all.
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