'But however it may be with the physical sciences, or with music, painting, and architecture, it is -- as I have tried to show -- certain that literature is doomed if liberty of thought perishes.' -- This statement is the first sentence in George Orwell's essay, 'The Prevention of Literature'. Which of the following might be the thesis (main point) of Orwell's essay?

Writing a conclusion is about finishing an essay. There is no substitute for practice when it comes to writing a good conclusion to an essay. Many people are so relieved to have finished making careful points which are fully supported by evidence and explanation, that they tail off, or, even worse, fail to write a conclusion at all. Yet an excellent conclusion is as important as an excellent introduction - it is the last impression your essay will make on the reader.