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学而不思则罔，思而不学则殆。
Study without thinking, and you are adrift. Think without studying, and you are in danger.
Some books are to be tasted, others to be swallowed, and some few to be chewed and digested.
有的书尝一口就够，有的可以一口气吞下，只有少数几本，得细细嚼烂、慢慢消化。
尽信书，则不如无书。
Believe everything in the Book of Documents, and you would be better off without the book.
The first principle is that you must not fool yourself—and you are the easiest person to fool.
第一条原则是：别骗自己——而你自己，恰恰最好骗。
循序而渐进，熟读而精思可也。
Follow the order and go step by step. Read until it is familiar, and think it through with care.
We can only see a short distance ahead, but we can see plenty there that needs to be done.
我们只看得见前方不远处，但就在那里，要做的事已经很多。
知之为知之，不知为不知，是知也。
Count what you know as known, and what you do not know as not known: that is knowing.
If you do not work on an important problem, it’s unlikely you’ll do important work.
不去碰重要的问题，就很难做出重要的工作。
于不疑处有疑，方是进矣。
To find doubt where there was none: only that is progress.
What information consumes is rather obvious: it consumes the attention of its recipients. Hence a wealth of information creates a poverty of attention…
信息消耗什么，再明显不过：它消耗接收者的注意力。所以，信息的富足造就了注意力的贫乏……
邀请码在管理员发给你的邀请链接里：打开链接会自动填好，也可以直接输入。账号和邀请码已从邀请链接填好。为下面这个账号设一个新口令。
账号由管理员创建：请打开管理员发给你的邀请链接。
已有账号？登录
登录在这台设备上保留 30 天。