I'm not going to let anyone take away my happiness.
解读:鼓励人们尽责尽力去做事,至于结果,并不全然受个人控制,即便结果不如意,也要坦然接纳,这是一种豁达且负责的处世态度。
Persistence is key in mathematical research; many great results come from looking at the same problem from different angles over and over again.
Being able to do what you love for a living is a blessing.