Of course the recitations in such a case must be from memory.

There are very few minds, however, which can thus perform triple or quadruple work, and probably none which can safely be tasked so severely.

For my part, I can do but one thing at a time; and I have no question that the true policy for all is to learn not _to do every thing at once_, but so to classify and arrange their work that _they shall have but one thing at once to do_.

Instead of vainly attempting to attend simultaneously to a dozen things, they should so plan their work that only _one_ will demand attention.
Let us, then, examine the various particulars above mentioned in succession, and see how each can be disposed of, so as not to be a constant source of interruption and derangement.
1.

_Whispering_ and _leaving seats_.