The very shaping of history now outpaces the ability of men to orient themselves in accordance with cherished values. And which values? Even when they do not panic, men often sense that older ways of feeling and thinking have collapsed and that newer beginnings are ambiguous to the point of moral stasis.
Science is not just about finding answers, but about asking the right questions.
The joy of discovery in mathematics is unparalleled.
Persistence is very important. You should not give up unless you are forced to give up.
書籍是最安靜、最恒久的朋友；它們是最易接近、最睿智的顧問。