物理学家必须拥有生动的想象力,但必须受到严格逻辑的约束。
Sustainable fishing isn't an option—it's the only way forward if we want to preserve marine life.
只有当我们忘记死者时,他们才对我们死去。
生存的唯一方法就是不断前进。
The only way to learn mathematics is to do mathematics.