The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
在数学领域,每个问题都是发现新事物的机会。
Every tree planted is a step toward healing the planet, but real change requires systemic action.
你的水无法流动是因为我。
——抵日本神户时谈话,1895年11月12日