Advances have fallen, generally, for everything except the biggest potential bestsellers. Given all the changes, both economic and technological, SF hasn't done too badly.
Not only we can, but some have reached perfection; so no matter what finer bodies come, they could only be on the relative plane and could do no more than we, for to attain freedom is all that can be done.
Have pity on those who are fearful of taking up a pen, or a paintbrush, or an instrument, or a tool because they are afraid that someone has already done so better than they could.
In dealing with the dead, if we treat them as if they were entirely dead, that would show a want of affection and should not be done; or, if we treat them as if they were entirely alive, that would show a want of wisdom and should not be done.
Macbeth's deed is done in horror, and without the faintest desire or sense of glory- done, one may almost say, as if it were an appalling duty; the instant it is finished, its futility is revealed to Macbeth as clearly as its vileness had been revealed beforehand