The history of all hitherto existing society is the history of class struggles.
我们距离完全理解M理论还很远,但这一旅程已经带来了难以置信的回报。
数学的研究就像空气或重力——它无处不在,即使你看不到它。
人は、自分が思っている以上に強い。
家人团结,才能无往不利。  
The act of painting is a way of thinking, a way of understanding the world.
"The key to innovation is diversity of thought."