The greatest lessons come from the hardest struggles.
最伟大的教训来自最艰难的挣扎。
The essence of mathematics lies in its freedom.
"History is the present projected backwards."
寻找身份是一次穿越记忆迷雾的旅程。
The only way to make sense out of change is to plunge into it, move with it, and join the dance.
Old minds are like old horses; you must exercise them if you wish to keep them in working order.
I'm not afraid to take a stand. Everybody, come take my hand. We'll walk this road together, through the storm, whatever weather, cold or warm.