Hope is not a feeling; it is a doable thing.
To make something good， just do it. To make something great， just re-do it， re-do it， re-do it. The secret to making fine things is in remaking them.
The moment you stop trying to be something you’re not, that’s when you become who you’re supposed to be.
I don't need validation from anyone else.
Not for the sake of our health, though it's often presented that way, but because it's an escape from the human anthill. It's an escape from our own competition, and our own dramas. And that's why ween joy looking at glaciers and oceans, and contemplating the Earth from outside its perimeters, etc. We like to feel in contact with something that is non-human, and that is so deeply important to us.
技術(shù)沒有邊界，但應(yīng)用必須有方向。
追求科學(xué)不是一種奢侈，而是人類生存的必要條件。