General relativity has passed every test we’ve thrown at it, even near a supermassive black hole.

The personality of the teacher is the cornerstone of education.

Sustainability isn't an option; it's our responsibility to the next generation.

I don’t let the future scare me, I let it excite me.

I always think about how to make batteries safer and more efficient.

知道是贤人而不举荐，很危险；知道是善事而不表彰，很危险；知道他能干而不任用，很危险。

The internet should be for everyone - it's too important to leave anyone behind.