Sofia Kovalevskaya

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Say what you know, do what you must, come what may.
Motto on her paper "On the Problem of the Rotation of a Solid Body about a Fixed Point."
It is impossible to be a mathematician without being a poet in soul.
Many people who have not studied mathematics confuse it with arithmetic and consider it a dry and fruitless science. In reality, however, it is a science which requires a great amount of imagination.