The greatest happiness is to know the source of unhappiness.
统治阶级掌握着物质生产的手段;无产阶级仅有的是他们的劳动力。
The only way to learn mathematics is to do mathematics.
Il n'y a pas de grand talent sans une grande volonté.
The future of AI is in the hands of those who can combine technical skills with domain expertise.
我做事情不是为了钱,而是因为我热爱它们。