It is not wonderful that
It is observable enough
It is of little consequence
It is of importance that
It is of very little importance what
It is quite true that
It is related of
It is singular that
It is the most extraordinary thing that
It is to my mind a
It is true, indeed, that
It is well known that
It is well that we clearly apprehend
It is wholly unnecessary
It is worthy of remark
It looks to me to be
It may be a matter of doubt
It may be shown that
It may be suggested that
It may be supposed that
It may in a measure be true that
It may not be improper for me to suggest
It must be borne in mind that
It must be confest that
It must be recollected that
It need hardly be said that
It remains for us to consider
It remains to
It remains to be shown that
It reminds me of an anecdote