The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.

孔子在河边说：“时光如流水！日夜不停留。”

"Don't write down to children. They're much smarter than we think."

Memory is a kind of accomplishment, a sort of renewal even.

【译文】人活一辈子，就像花草树木繁荣，一春一秋，非常短暂。年少时不知道勤学苦读，弹指间就会变成白发老翁。月亮过了十五后光明就会越来越少，人到中年还一事无成，也就不会有大的作为了。

绘画就是作证。

学习不仅仅是存储信息的问题；它是一个改变我们思维方式的过程。

The development of the vital forms under the influence of external conditions is a subject of the highest importance.

Progress is impossible without change, and those who cannot change their minds cannot change anything.

最好的投资不是技术，而是能让技术发挥作用的人。