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The beauty of mathematics lies in its ability to describe the universe in the simplest terms.
"Cada palavra escrita é um ato de coragem, uma declaração de existência."
It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is most adaptable to change.
I don’t fear anyone, but I respect everyone.
A good mathematician should be both rigorous and imaginative.
尊重孩子的发展自由,包括帮助孩子培养发展的能力。