The only freedom which deserves the name is that of pursuing our own good in our way， so long as we do not attempt to deprive others of theirs or impede their efforts to obtain it.
数学是一门活生生的学科，随着新思想的出现而不断发展。
The energy transition is a challenge, but also an opportunity for those ready to embrace it.
The thing that is important is the thing that not seen… It is just as it is with the flower。 If you love a flower that lives on a star， it is sweet to look at the sky at night。 All the stars are abloom with flowers…