Nunca pierdas de vista quién eres y de dónde vienes.

The only true voyage of discovery consists not in seeking new landscapes, but in having new eyes.

It is not from the benevolence of the butcher， the brewer， or the baker that we expect our dinner， but from their regard to their own interest.

最伟大的旅程是那些改变我们的旅程。

计算复杂性理论的发展向我们展示了并非所有问题都是平等的。