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The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not. We are ruled by the forces of chance and coincidence.

Mathematics is the language in which the universe writes its deepest secrets.

"We are all just passing through, leaving traces of ourselves behind like footprints in the sand."

我認為人們對家庭的概念非常感興趣，家庭作為一種戰場的概念。

教育必須基于兒童的心理發展，而不是教育者的任意意志。