BT

Let us not to walk the same path over and over again. Let us re-examine what History had taught us- already.
Let us not to rob the glory of the past and pocket their honor; the taoist from the past had contributed Nobel price quality science, again and again without being recognised, including Nobel.

[@annplepyy]

Amongst your Cantonese, Mandarin, and English videos, I like this best. Only it’s too short. Looking forward to the next one. Thank you Dr Tsui. 👍🙏

[@annplepyy]

Brita filter ok?!?

[@user-vt8vk5li4b]

羡慕 老师的英语也很好

[@ant1536]

Thank you Dr Tsui. I've been waiting for your next video, where are you? By the way, wonderful Guqin music.

[@user-vt8vk5li4b]

人在大陆身不由己😂