The hardest thing in life is to know which bridge to cross and which to burn.
The most exciting discoveries often come from looking at old problems in completely new ways.
To say 'I love you' one must first be able to say the 'I'.
他们不可能打倒我。若要打倒我除非就是杀掉我!
The best stories are the ones that leave you with more questions than answers.