The past is never truly past until it has been fully understood.
进步并非不可避免;它是深思熟虑的选择和行动的结果。
True strength comes from overcoming the obstacles we thought we couldn't get past.
没有食物,人类最多只能活几个星期;没有它,社会正义的所有其他组成部分都毫无意义。
The deepest problems in mathematics often arise from the simplest questions.
It's not about being perfect, it's about being better than you were yesterday.