Even if we're apart, our hearts are always together.

I think people believe in heaven because they don’t like the idea of dying, because they want to carry on living and they don’t like the idea that other people will move into their house and put their things into the rubbish.

科学的美丽在于它揭示未知的能力。

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

在荒野中，你学会失败不是终点。它只是旅程中的一步。