The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
A hundred times every day I remind myself that my inner and outer life are based on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving...
在网球中，就像在生活中一样，你必须不断前进——一次一分。