计算的本质在于信息的转换。
The essence of computation lies in the transformation of information.
Society can and does execute its own mandates, and if it issues wrong mandates instead of right, or any mandates at all in things with which it ought not to meddle, it practices a social tyranny more formidable than many kinds of political oppression, since, though not usually upheld by such extreme penalties, it leaves fewer means of escape, penetrating much more deeply into the details of life, and enslaving the soul itself.
解释:没有不犯错误的完人,只要能及时改正自己的错误,就是最好的了。
The past is a mirror, but we often see only what we want to see.
Hope is a scarce resource in poor communities.