我需要一篇200字左右的关于人生观的英语作文。

As is apparently revealed in the cartoon above， the sheep lives happily
in an optimistic state of mind， ignoring the threat of a dark shade，
because he believes that where there is shadow， there is sunshine①。 What
is conveyed in the picture is both positive and illuminating.
As far as the purpose of the drawer is concerned， I think he intends to
remind us of the importance of optimism. If the sheep in the cartoon
feels anxious and pessimistic about the dark shade all day long， he can
by no means have a comfortable and happy life. Examples like this are
numerous， but I think the following one will be convincing enough. If
there is half a cup of water， the pessimist may cry over it because they
have only a half， while② the optimist may cheer for it because they
still have a half. Obviously， they will have different perceptions and
feelings③ toward the same life.
　　There is no denying that， most
optimists have a high happiness index， which can hardly be experienced
by pessimists. Therefore， we must read our life with a positive
attitude. What‘s more， the optimistic attitude can infect others
strongly， meaning that we will find that all the friends around us are
optimistic if we observe them in the same perspective. As a result， an
atmosphere of optimism and happiness could be naturally set up.
Therefore， let’s keep the famous line of Shelley， the well-known poet，
in mind for ever， that is， “If winter comes， can spring be far behind？