I never come back home with the same moral character I went out with; something or other becomes unsettled where I had achieved internal peace; some one or other of the things I had put to flight reappears on the scene.
A single lifetime, even though entirely devoted to the sky, would not be enough for the study of so vast a subject. A time will come when our descendants will be amazed that we did not know things that are so plain to them.
Many discoveries are reserved for ages still to come . . . . Our universe is a sorry little affair unless it has in it something for every age to investigate.
Delay not; swift the flight of fortune's greatest favours.
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