All that we see or seem is but a dream within a dream.

I have noticed that youngsters given to the climbing habit usually do something when they grow up.

Memory is a complicated thing, a relative to truth, but not its twin.

每个程序都有（至少）两个目的：一个目的是为它编写的，另一个不是目的。

真正的发现之旅不在于寻找新的景观，而在于拥有新的眼光。