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人通過克服困難而成長。

我專注于我需要做的事來變得更好。

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

你不能害怕失敗。這是你成功的唯一途徑。

The infinite within the infinite.

組合數學就像是不用實際計數的計數藝術。

The heart of the Waldorf method is that education is an art—it must speak to the child's experience. To educate the whole child, his heart and his will must be reached, as well as the mind.