Share some random things.


A great documentary in French about looking for Grothendieck, both physically and spiritually. It was published one year before he passed away.

Although there is a English subtitle which is only a little better than nothing, I am still working on a Chinese subtitle.

A video made with Blender. I try to show Hopf fibration in another way.


Ceci n'est pas un chien.

A monk asked, "Does a dog have a Buddha-nature or not?"

The master said, "Not [Mu]!"

The monk said, "Above to all the Buddhas, below to the crawling bugs, all have Buddha-nature. Why is it that the dog has not?"

The master said, "Because he has the nature of karmic delusions".

-Zhao Zhou's Dog