Every great advance in natural knowledge has involved the absolute rejection of authority.  
Life is too short to be anything but happy.
对失败的恐惧会阻碍进步;拥抱风险才能推动有意义的变革。
The human body is the most complex puzzle, and medicine is our way of solving it.
International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.