Never stop learning, because the world never stops changing.

"The future is not about technology for technology's sake; it's about technology for humanity's sake."

Mathematics is the poetry of logical ideas.

History is the present. That's why every generation writes it anew. But what most people think of as history is its end product, myth.

这句话杨在不同场合说过多次，每次表述时可能有个别字的差异。

有时候最简单的旋律最难写。