无论你来自市城市还是乡村，你的成功将取决于你自己的信心和坚定。
Whether you come from a council estate or a country estate, your success will be determined by your own confidence and fortitude.
我不是因为快乐而歌唱，我歌唱是因为我快乐。
In mathematics, the art of proposing a question must be held of higher value than solving it.
The writer must be a perpetual beginner, always doubting, always searching.
