The only way to do great work is to love what you do.
La memoria es un espejo que miente con escrupulosa veracidad.
地球是有生命的这一想法处于科学可信度的边缘,但并未超出其范围。
A good mathematician should be both rigorous and imaginative.
In preparing for battle I have always found that plans are useless, but planning is indispensable.
Keep learning. It's the only way to stay relevant in a fast-changing world.