You may not control all the events that happen to you, but you can decide not to be reduced by them.
你或许无法控制发生在你身上的所有事情，但你可以决定不被它们打倒。
To do mathematics is to engage in an act of creation and discovery simultaneously.
思想开阔，才能包容天下的千山万壑；思想谦虚，才能接受天下的真知大德；思想平明，才能纵论天下的善恶得失；思想深沉，才能讨论天下的学说哲理；思想稳定，才能应付天下的风云变幻。
The beauty of mathematics only shows itself to more patient followers.
The more uncertain and insecure I feel, the more I cling to the idea of painting.