"[The purpose of flight research] is to separate the real from the imagined problems and to make known the overlooked and the unexpected."

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The more mental effort he made the clearer he saw that it was undoubtedly so: that he had really forgotten and overlooked one little circumstance in life - that Death would come and end everything, so that it was useless to begin anything, and that there was no help for it, Yes it was terrible but true

— Leo Tolstoy