越南人民深深热爱独立、自由与和平。但在面对国家独立和自由受到威胁时，越南人民宁愿牺牲一切，不惜失去生命，也要捍卫祖国的独立和自由。

The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.

Virtue consists， not in abstaining from vice， but in not desiring it.

To be a good mathematician, you need to have both intuition and rigor.

2016年：贝索斯致股东信《每天都要像创业的第一天那样》

现实永远是起点。

"The past is a puzzle, and every piece matters."

The poem is an act of the mind, not a transcription of the world.