inside something
the inner part of something
事はあらじ
Nor blame thy fellow-man;
こと
a thing
在るもの
something that is hollow on the inside
鎮めるもの
その位のこと
物のかす
the outer part of something
He is out.
the empty space in a tree trunk, called a hollow
室内にいる
含むもの
the remainders or excess of something
つりあうこと
the internal structure of something