技术可以帮助我们监测森林,但拯救它们的是人类的承诺。
因此,自爱是行动的必要原则。
幸福不是现成的,它来自于你自己的行动。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
"It is easy to forget how full the world is of people, full to bursting, and each of them imaginable and consistently misimagined."
The darkest nights produce the brightest stars.
音节统治着世界。