We are all in the gutter, but some of us are looking at the stars.
身处艰难，但仍有人仰望星空。
When standing on the land, make sure you stand with your feet firmly.
When looking up at the stars, don't froget to look down at your feet.
Dreams, may be too far away for some of us, that really makes us feel so disappointing our life is.
One never notices what has been done; one can only see what remains to be done.
人们很少注意到自己已经完成了什么，而总是着眼于自己还没有完成什么。
From Marie Curie.
Reasonable, and that can be served as the impetus for our improvements.
Servel days ago, someone asked me how to measure the computing power of Nvidia PX2.
I didn't give him a clear answer, because I just had an ambiguous concepts about it.