数学的本质在于它的自由。
The essence of mathematics lies in its freedom.
"Every journey conceals another journey within its lines: the path not taken and the forgotten angle."
我宁愿让人困惑,也不愿让人无聊。
你必须敢于梦想并相信自己,因为没有人会替你完成这些。
We are to remember that we are not to take anything with us out of this world, and that it is how we have conducted ourselves here that will matter in the end.