熄灭了吧，熄灭了吧，短促的烛光！人生不过是一个行走的影子，一个在舞台上指手划脚的拙劣的伶人，登场片刻，就在无声无臭中悄然退下；它是一个愚人所讲的故事，充满着喧哗和骚动，却找不到一点意义。
The beauty of mathematics only shows itself to more patient followers.
The act of creation is an act of defiance.
The future is not a result of choices among alternative paths offered by the present, but a place that is created—created first in the mind and will, created next in activity.
The most beautiful things in life are not things, they’re moments.